Tomoki Kikuya
type: MusicGroup
genre: anime
description: is a Japanese composer, arranger and guitarist. Kikuya is best known for composing original soundtracks for anime series, including most notably Nisekoi, Eromanga Sensei, Bocchi the Rock!, Yuuna and
popularity: 25
followers: 1520
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:24:56Z
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album: TVアニメ『ひだまりスケッチ』オリジナルサウンドトラック
  type: MusicAlbum
  date published: 2007-04-25
  track: しんみり
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    duration: PT1M38S
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    by artist: Tomoki Kikuya
    in album: TVアニメ『ひだまりスケッチ』オリジナルサウンドトラック
      type: MusicAlbum
      date published: 2007-04-25
    genre: anime
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    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8150fea4309a31cf608cafe6a606d04a0dfd20cf3609f68fa50537537426d4f8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPI100700348.
      date published: 2026-07-05T01:12:41Z
    audio: しんみり
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      additional property: Speechiness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Mode Name
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album: TVアニメ『ひだまりスケッチ×365』オリジナルサウンドトラック
  type: MusicAlbum
  date published: 2008-10-08
album: TVアニメ『ひだまりスケッチ×☆☆☆』オリジナルサウンドトラック「ひだまり・でいず・ないと」
  type: MusicAlbum
  date published: 2010-03-24
album: Higehiro: After Being Rejected, I Shaved and Took in a High School Runaway Orijinal Soundrack
  type: MusicAlbum
  date published: 2021-06-16
  track: Unmei no Deai wa Atoninatte Wakaru
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    duration: PT2M12S
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    in album: Higehiro: After Being Rejected, I Shaved and Took in a High School Runaway Orijinal Soundrack
      type: MusicAlbum
      date published: 2021-06-16
    genre: anime
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x713c1739c80d46b10fa33841da170d196d2927fb0e8c09340290007402486b3a. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:38:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02110182.
      date published: 2026-07-21T16:38:26Z
    audio: Unmei no Deai wa Atoninatte Wakaru
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      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
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album: TVアニメ「ひげを剃る。そして女子高生を拾う。」オリジナルサウンドトラック
album: Yummy!
album: TVアニメ「女神寮の寮母くん。」オリジナルサウンドトラック
album: TV SERIES "MERAMIGYOU NO RYOUBOKUN" ORIGINAL SOUNDTRACK
album: TVアニメ『4人はそれぞれウソをつく』オリジナル・サウンドトラック
album: TV Animation "The Little Lies We All Tell" Original Soundtrack
album: TVアニメ「ぼっち・ざ・ろっく！」オリジナルサウンドトラック
album: BGM FROM TV SERIES ”HAREM IN THE LABYRINTH OF ANOTHER WORLD”
album: TVアニメ「異世界迷宮でハーレムを」オリジナルサウンドトラック
album: BGM FROM TV SERIES ”OBLIVION BATTERY”
album: TVアニメ「忘却バッテリー」オリジナルサウンドトラック
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#1
album: TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#1
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#2
album: TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#2
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#3
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#4
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#5
album: TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#6
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#6
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#7
album: TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#7
album: TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#8
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#8
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#9
album: TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#9
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#10
album: TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#10
album: TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#11
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#11
album: TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#12
album: TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#12

Acousticness
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Instrumentalness
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Liveness
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value: 0.129

Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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TVアニメ「ひげを剃る。そして女子高生を拾う。」オリジナルサウンドトラック
type: MusicAlbum
date published: 2021-06-16

Yummy!
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date published: 2021-07-23
track: Relaxing chatting tea time
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  duration: PT1M35S
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  by artist: Tomoki Kikuya
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    date published: 2021-07-23
  genre: anime
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-15T15:55:19Z
  audio: Relaxing chatting tea time
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    additional property: Danceability
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    additional property: Key Name
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Yummy!
type: MusicAlbum
date published: 2021-07-23

TVアニメ「女神寮の寮母くん。」オリジナルサウンドトラック
type: MusicAlbum
date published: 2021-10-27

TV SERIES "MERAMIGYOU NO RYOUBOKUN" ORIGINAL SOUNDTRACK
type: MusicAlbum
date published: 2021-10-27

TVアニメ『4人はそれぞれウソをつく』オリジナル・サウンドトラック
type: MusicAlbum
date published: 2022-11-30

TV Animation "The Little Lies We All Tell" Original Soundtrack
type: MusicAlbum
date published: 2022-11-30

TVアニメ「ぼっち・ざ・ろっく！」オリジナルサウンドトラック
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date published: 2022-12-28
track: ふらふら
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    date published: 2022-12-28
  genre: anime
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T09:14:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc2a09167c242004122c0e0b57afc54e7a1cca4d22b84440bce55f253299b06. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T09:14:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201152.
    date published: 2026-07-15T09:14:08Z
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Key Name
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track: 来世でがんばります
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  genre: anime
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2305b5f5dc1f242bfcafb9ffe0a13b03ececd25beadd2ddcbcc0eeff7f100c22. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201153.
    date published: 2026-07-04T10:04:33Z
  audio: 来世でがんばります
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.026
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.712
    additional property: Energy
      type: PropertyValue
      value: 0.03
    additional property: Speechiness
      type: PropertyValue
      value: 0.588
    additional property: Acousticness
      type: PropertyValue
      value: 0.089
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.789
    additional property: Liveness
      type: PropertyValue
      value: 0.063
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.544
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.876
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: ぺっぺけぺー
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92520
  explicit: false
  by artist: Tomoki Kikuya
  in album: TVアニメ「ぼっち・ざ・ろっく！」オリジナルサウンドトラック
    type: MusicAlbum
    date published: 2022-12-28
  genre: anime
  isrc code: JPE302201156
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T17:30:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd46dab63adf3296b884194f0e02275a1cd7069e5c70c75ea9217eb4c3978c72e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958316
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: ぺっぺけぺー
track: よくわからない
track: 押入れより愛をこめて
track: ダブル黒歴史ぼっち弾き語りversion
track: 胞子の舞

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201156

OTSTimestamp
type: PropertyValue
value: 2026-07-17T03:03:06Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46dab63adf3296b884194f0e02275a1cd7069e5c70c75ea9217eb4c3978c72e. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T03:03:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201156.
date published: 2026-07-17T03:03:06Z

ぺっぺけぺー
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 113.987
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.805
additional property: Energy
  type: PropertyValue
  value: 0.199
additional property: Speechiness
  type: PropertyValue
  value: 0.462
additional property: Acousticness
  type: PropertyValue
  value: 0.69
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.048
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.942
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.094
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

よくわからない
type: MusicRecording
duration: PT0M59S
duration ms: 59186
explicit: false
by artist: Tomoki Kikuya
in album: TVアニメ「ぼっち・ざ・ろっく！」オリジナルサウンドトラック
  type: MusicAlbum
  date published: 2022-12-28
genre: anime
isrc code: JPE302201168
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T14:57:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7238f8f4b176d2900f746436ae3763b5059580df357c88a592a984783f9c3aa7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958746
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958746
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201168
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T15:36:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7238f8f4b176d2900f746436ae3763b5059580df357c88a592a984783f9c3aa7. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201168.
  date published: 2026-07-19T15:36:35Z
audio: よくわからない
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.154
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.77
  additional property: Energy
    type: PropertyValue
    value: 0.085
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.895
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.873
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.355
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

押入れより愛をこめて
type: MusicRecording
duration: PT0M48S
duration ms: 48533
explicit: false
by artist: Tomoki Kikuya
in album: TVアニメ「ぼっち・ざ・ろっく！」オリジナルサウンドトラック
  type: MusicAlbum
  date published: 2022-12-28
genre: anime
isrc code: JPE302201176
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T05:18:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x899f06c4490bd73583557b8439b1022658ac35cc3e2b161412b72087f124dd9e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958501
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958501
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201176
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T05:33:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x899f06c4490bd73583557b8439b1022658ac35cc3e2b161412b72087f124dd9e. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201176.
  date published: 2026-07-18T05:33:04Z
audio: 押入れより愛をこめて
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.65
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.715
  additional property: Energy
    type: PropertyValue
    value: 0.43
  additional property: Speechiness
    type: PropertyValue
    value: 0.314
  additional property: Acousticness
    type: PropertyValue
    value: 0.777
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.049
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.126
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.846
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

ダブル黒歴史ぼっち弾き語りversion
type: MusicRecording
duration: PT0M35S
duration ms: 35960
explicit: false
by artist: Tomoki Kikuya
in album: TVアニメ「ぼっち・ざ・ろっく！」オリジナルサウンドトラック
  type: MusicAlbum
  date published: 2022-12-28
genre: anime
isrc code: JPE302201179
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T12:12:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22226ea5df2ee0b97d3a521637494f620dce4d75a930a2b9101862c186b5e2ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958415
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958415
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201179
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:50:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22226ea5df2ee0b97d3a521637494f620dce4d75a930a2b9101862c186b5e2ae. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201179.
  date published: 2026-07-17T12:50:13Z
audio: ダブル黒歴史ぼっち弾き語りversion
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.504
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.667
  additional property: Energy
    type: PropertyValue
    value: 0.248
  additional property: Speechiness
    type: PropertyValue
    value: 0.849
  additional property: Acousticness
    type: PropertyValue
    value: 0.746
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.053
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.442
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.927
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

胞子の舞
type: MusicRecording
duration: PT1M25S
duration ms: 85986
explicit: false
by artist: Tomoki Kikuya
in album: TVアニメ「ぼっち・ざ・ろっく！」オリジナルサウンドトラック
  type: MusicAlbum
  date published: 2022-12-28
genre: anime
isrc code: JPE302201182
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T09:11:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb531eb81d45be057c3f9e83fae629a887bf0200545d8bafce61fb82f6e3dfd7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958711
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958711
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201182
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T09:26:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb531eb81d45be057c3f9e83fae629a887bf0200545d8bafce61fb82f6e3dfd7. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPE302201182.
  date published: 2026-07-19T09:26:32Z
audio: 胞子の舞
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.935
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.6
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.475
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.453
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

BGM FROM TV SERIES ”HAREM IN THE LABYRINTH OF ANOTHER WORLD”
type: MusicAlbum
date published: 2023-03-29

TVアニメ「異世界迷宮でハーレムを」オリジナルサウンドトラック
type: MusicAlbum
date published: 2023-03-29

BGM FROM TV SERIES ”OBLIVION BATTERY”
type: MusicAlbum
date published: 2024-07-03
track: TRUSTWORTHY
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136197
  explicit: false
  by artist: Tomoki Kikuya
  in album: BGM FROM TV SERIES ”OBLIVION BATTERY”
    type: MusicAlbum
    date published: 2024-07-03
  genre: anime
  isrc code: JPD732400845
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T06:06:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf181c9181e8ed397d648b1624c986c49d82fde917c143c8e8f0829dce3e57c59
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD732400845
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf181c9181e8ed397d648b1624c986c49d82fde917c143c8e8f0829dce3e57c59. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD732400845.
    date published: 2026-07-05T19:27:56Z
  audio: TRUSTWORTHY
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.946
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.444
    additional property: Energy
      type: PropertyValue
      value: 0.454
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.931
    additional property: Liveness
      type: PropertyValue
      value: 0.222
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.134
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.902
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

TVアニメ「忘却バッテリー」オリジナルサウンドトラック
type: MusicAlbum
date published: 2024-07-03
track: Trustworthy
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136197
  explicit: false
  by artist: Tomoki Kikuya
  in album: TVアニメ「忘却バッテリー」オリジナルサウンドトラック
    type: MusicAlbum
    date published: 2024-07-03
  genre: anime
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD732400845
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf181c9181e8ed397d648b1624c986c49d82fde917c143c8e8f0829dce3e57c59. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPD732400845.
    date published: 2026-07-05T10:01:46Z
  audio: Trustworthy
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.946
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.444
    additional property: Energy
      type: PropertyValue
      value: 0.454
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.931
    additional property: Liveness
      type: PropertyValue
      value: 0.222
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.134
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.902
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#1
type: MusicAlbum
date published: 2024-10-04

TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#1
type: MusicAlbum
date published: 2024-10-04

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#2
type: MusicAlbum
date published: 2024-10-11

TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#2
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date published: 2024-10-11

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#3
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date published: 2024-10-18

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#3
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date published: 2024-10-18

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#4
type: MusicAlbum
date published: 2024-10-25

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#4
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date published: 2024-10-25

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#5
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date published: 2024-11-01

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#5
type: MusicAlbum
date published: 2024-11-01

TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#6
type: MusicAlbum
date published: 2024-11-08

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#6
type: MusicAlbum
date published: 2024-11-08

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#7
type: MusicAlbum
date published: 2024-11-15

TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#7
type: MusicAlbum
date published: 2024-11-15

TV SERIES ”NEGATIVE POSITIVE ANGLER” ORIGINAL SOUNDTRACK#8
type: MusicAlbum
date published: 2024-11-22

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#8
type: MusicAlbum
date published: 2024-11-22

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#9
type: MusicAlbum
date published: 2024-11-29

TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#9
type: MusicAlbum
date published: 2024-11-29

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#10
type: MusicAlbum
date published: 2024-12-06

TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#10
type: MusicAlbum
date published: 2024-12-06

TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#11
type: MusicAlbum
date published: 2024-12-13

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#11
type: MusicAlbum
date published: 2024-12-13

TV SERIES "NEGATIVE POSITIVE ANGLER" ORIGINAL SOUNDTRACK#12
type: MusicAlbum
date published: 2024-12-20

TVアニメ「ネガポジアングラー」オリジナルサウンドトラック#12
type: MusicAlbum
date published: 2024-12-20