birthdate: '1994-01-12'
discography:
- catalog: HMRF-0001
  date: '2018-10-28'
  link: album/154673
  reprint: false
  roles:
  - Composer (as DIADIA)
  - Screaming Vocals (as DIADIA)
  titles:
    en: Eternal Memory / Harmonic Reflection
    ja: Eternal Memory / Harmonic Reflection
    ja-latn: Eternal Memory / Harmonic Reflection
  type: works
- catalog: IROCD-001
  date: '2019-10-27'
  link: album/91876
  reprint: false
  roles:
  - Music (as DIADIA)
  titles:
    en: 'ARCAEA Sound Collection: MEMORIES OF LIGHT'
    ja: 'ARCAEA Sound Collection: MEMORIES OF LIGHT'
    ja-latn: 'ARCAEA Sound Collection: MEMORIES OF LIGHT'
  type: game
- catalog: PLFR-0002
  date: '2019-10-27'
  link: album/129160
  reprint: false
  roles:
  - Composer (as DIADIA)
  titles:
    en: Ragnarøkkr
    ja: Ragnarøkkr
    ja-latn: Ragnarøkkr
  type: works
- catalog: hako-0001~2
  date: '2020-12-09'
  link: album/107374
  reprint: false
  roles:
  - Composer (as Hiraokaヒラオカ)
  - Mastering Engineer (as Hiraokaヒラオカ)
  - Arranger (as Hiraokaヒラオカ)
  titles:
    en: Unreal Life Original Soundtrack "Sound of the Mind
    ja: アンリアルライフ オリジナルサウンドトラック「Sound of the Mind」
    ja-latn: Unreal Life Original Soundtrack "Sound of the Mind
  type: doujin
- catalog: N/A
  date: '2021-02-20'
  link: album/108713
  reprint: false
  roles:
  - Composer (as DiaDia)
  - Liner Notes (as DiaDia)
  titles:
    en: Nintendo Switch COMPILATION ALBUM 2021 SPRING
    ja: Nintendo Switch COMPILATION ALBUM 2021 春
    ja-latn: Nintendo Switch COMPILATION ALBUM 2021 SPRING
  type: bonus
- catalog: PLFR-0003
  date: '2023-04-30'
  link: album/128976
  reprint: false
  roles:
  - Composer
  titles:
    en: Τέλος
    ja: Τέλος
    ja-latn: Telos
  type: works
- catalog: hako-0000
  date: '2023-08-24'
  link: album/132268
  reprint: false
  roles:
  - Arranger
  titles:
    en: Unreal Life Original Soundtrack "World of the Mind
    ja: アンリアルライフ オリジナルサウンドトラック 「World of the Mind」
    ja-latn: Unreal Life Original Soundtrack "World of the Mind
  type: bonus
featured_on: []
info:
  Birthdate: Jan 12, 1994
  Credited works:
  - 7 albums in database
  - 2 products in database
  Credits:
  - 5 composer
  - 3 music
  - 3 arranger
  - 1 screaming vocals
  - 1 mastering engineer
  - 1 liner notes
link: artist/57081
meta:
  added_date: 2023-05-08T12:16
  edited_date: 2023-05-08T12:17
  fetched_date: 2026-01-16T15:56
  ttl: 86400
  visitors: 536
name: Hiraoka Kotaro
notes: 'Name in kanji: 平岡功太郎'
sex: male
twitter_names:
- diadiadia1
type: Individual
vgmdb_link: https://vgmdb.net/artist/57081?perpage=99999
websites: {}
