discography:
- catalog: SECL-1263~4
  date: '2013-01-30'
  link: album/37201
  reprint: false
  roles:
  - Guitar Technician (as Kojiro)
  - Bass Guitar Technician (as Kojiro)
  titles:
    en: BLAU / Eir Aoi [Limited Edition]
    ja: BLAU / 藍井エイル
    ja-latn: BLAU / Eir Aoi [Limited Edition]
  type: anime
- catalog: SECL-1267
  date: '2013-01-30'
  link: album/37203
  reprint: false
  roles:
  - Guitar Technician (as Kojiro)
  - Bass Guitar Technician (as Kojiro)
  titles:
    en: BLAU / Eir Aoi
    ja: BLAU / 藍井エイル
    ja-latn: BLAU / Eir Aoi
  type: anime
- catalog: UPCH-20531
  date: '2019-10-02'
  link: album/88186
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  - Equipment Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  titles:
    en: Attitude / Mrs. GREEN APPLE
    ja: Attitude / Mrs. GREEN APPLE
    ja-latn: Attitude / Mrs. GREEN APPLE
  type: anime
- catalog: UPCH-29343
  date: '2019-10-02'
  link: album/88187
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  - Equipment Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  titles:
    en: Attitude / Mrs. GREEN APPLE [Limited Edition]
    ja: Attitude / Mrs. GREEN APPLE [Limited Edition]
    ja-latn: Attitude / Mrs. GREEN APPLE [Limited Edition]
  type: anime
- catalog: ANTCD-A0000000888
  date: '2019-12-21'
  link: album/101710
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"小二郎"真幸)
  titles:
    en: KAMEN RIDER REIWA THE FIRST GENERATION ORIGINAL SOUNDTRACK
    ja: 仮面ライダー 令和 ザ・ファースト・ジェネレーション オリジナル サウンドトラック
    ja-latn: KAMEN RIDER REIWA THE FIRST GENERATION ORIGINAL SOUNDTRACK
  type: toku
- catalog: AVCD-94688/B
  date: '2020-01-22'
  link: album/101708
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"小二郎"真幸)
  titles:
    en: REAL×EYEZ / J×Takanori Nishikawa
    ja: REAL×EYEZ / J×Takanori Nishikawa
    ja-latn: REAL×EYEZ / J×Takanori Nishikawa
  type: toku
- catalog: AVCD-96570
  date: '2020-09-30'
  link: album/101712
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"小二郎"真幸)
  titles:
    en: KAMEN RIDER ZERO-ONE THEME & INSERT BEST SONG COLLECTION
    ja: 仮面ライダーゼロワン 主題歌&挿入歌 ベスト ソング コレクション
    ja-latn: Kamen Rider Zero One Shudaika & Sounyuuka Best Song Collection
  type: toku
- catalog: AVZD-96572~5
  date: '2020-09-30'
  link: album/101714
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"小二郎"真幸)
  titles:
    en: KAMEN RIDER ZERO-ONE CD-BOX
    ja: 仮面ライダーゼロワン CD-BOX
    ja-latn: KAMEN RIDER ZERO-ONE CD-BOX
  type: toku
- catalog: UPCH-20620
  date: '2022-07-08'
  link: album/122573
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  - Equipment Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  titles:
    en: Unity / Mrs. Green Apple
    ja: Unity / Mrs. Green Apple
    ja-latn: Unity / Mrs. Green Apple
  type: works
- catalog: UPCH-29433
  date: '2022-07-08'
  link: album/122574
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  - Equipment Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  titles:
    en: Unity / Mrs. Green Apple [Limited Edition]
    ja: Unity / Mrs. Green Apple [Limited Edition]
    ja-latn: Unity / Mrs. Green Apple [Limited Edition]
  type: works
- catalog: UPCH-80580
  date: '2022-11-09'
  link: album/124959
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  - Equipment Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  titles:
    en: Soranji / Mrs. GREEN APPLE
    ja: Soranji / Mrs. GREEN APPLE
    ja-latn: Soranji / Mrs. GREEN APPLE
  type: anime
- catalog: UPCH-89491
  date: '2022-11-09'
  link: album/124958
  reprint: false
  roles:
  - Instrument Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  - Equipment Technician (as Masayuki "Kojiro" Wakiyama脇山"コジロウ"真幸)
  titles:
    en: Soranji / Mrs. GREEN APPLE [Limited Edition]
    ja: Soranji / Mrs. GREEN APPLE [Limited Edition]
    ja-latn: Soranji / Mrs. GREEN APPLE [Limited Edition]
  type: anime
featured_on: []
info:
  Credited works: 12 albums in database
  Credits:
  - 10 instrument technician
  - 6 equipment technician
  - 2 guitar technician
  - 2 bass guitar technician
link: artist/77195
meta:
  added_date: 2025-12-05T19:39
  edited_date: 2025-12-05T19:39
  fetched_date: 2026-01-08T14:20
  ttl: 86400
  visitors: 20
name: Masayuki Wakiyama
name_real: 脇山 真幸
name_trans: わきやま まさゆき
notes: 'Japanese instrument technician.

  Their nickname is "Kojiro."

  Affiliated with DAICHIGUMI.'
type: Individual
vgmdb_link: https://vgmdb.net/artist/77195?perpage=99999
websites: {}
