arrangers:
- link: artist/20337
  names:
    en: Masayuki Hasuo
    ja: 蓮尾理之
- link: artist/26691
  names:
    en: Tomoari Taguma
    ja: 田熊知存
- names:
    en: (Dream Monster
barcode: '4540774241538'
catalog: LACM-24153
categories:
- Animation
category: Animation
classification: Vocal
composers:
- link: artist/2910
  names:
    en: Aira Yuuki
    ja: 結城アイラ
covers:
- full: https://media.vgm.io/albums/96/113669/113669-2dd1eacd5ded.jpg
  medium: https://medium-media.vgm.io/albums/96/113669/113669-2dd1eacd5ded.jpg
  name: Front
  thumb: https://thumb-media.vgm.io/albums/96/113669/113669-2dd1eacd5ded.jpg
- full: https://media.vgm.io/albums/96/113669/113669-a29a89455b91.jpg
  medium: https://medium-media.vgm.io/albums/96/113669/113669-a29a89455b91.jpg
  name: Back
  thumb: https://thumb-media.vgm.io/albums/96/113669/113669-a29a89455b91.jpg
- full: https://media.vgm.io/albums/96/113669/113669-8659a9d9533c.jpg
  medium: https://medium-media.vgm.io/albums/96/113669/113669-8659a9d9533c.jpg
  name: Booklet Front & Back
  thumb: https://thumb-media.vgm.io/albums/96/113669/113669-8659a9d9533c.jpg
- full: https://media.vgm.io/albums/96/113669/113669-ac382fb4d8db.jpg
  medium: https://medium-media.vgm.io/albums/96/113669/113669-ac382fb4d8db.jpg
  name: Disc
  thumb: https://thumb-media.vgm.io/albums/96/113669/113669-ac382fb4d8db.jpg
- full: https://media.vgm.io/albums/96/113669/113669-c5d249e3e2f4.jpg
  medium: https://medium-media.vgm.io/albums/96/113669/113669-c5d249e3e2f4.jpg
  name: Obi Back
  thumb: https://thumb-media.vgm.io/albums/96/113669/113669-c5d249e3e2f4.jpg
- full: https://media.vgm.io/albums/96/113669/113669-70f78b473f60.jpg
  medium: https://medium-media.vgm.io/albums/96/113669/113669-70f78b473f60.jpg
  name: Obi Front
  thumb: https://thumb-media.vgm.io/albums/96/113669/113669-70f78b473f60.jpg
discs:
- disc_length: '24:04'
  name: Disc 1
  tracks:
  - names:
      English: A Promise
      Japanese: A Promise
    track_length: '4:54'
  - names:
      English: A Promise (Dia Ver.)
      Japanese: A Promise (ディア Ver.)
    track_length: '4:55'
  - names:
      English: Awkward love
      Japanese: Awkward love
    track_length: '4:41'
  - names:
      English: A Promise (Off Vocal)
      Japanese: A Promise (Off Vocal)
    track_length: '4:55'
  - names:
      English: Awkward love (Off Vocal)
      Japanese: Awkward love (Off Vocal)
    track_length: '4:39'
distributor: &id001
  link: org/1714
  names:
    en: BANDAI NAMCO Arts Inc.
    ja: 株式会社バンダイナムコアーツ
    ja-latn: BANDAI NAMCO Arts Inc.
  role: distributor
link: album/113669
lyricists:
- link: artist/2910
  names:
    en: Aira Yuuki
    ja: 結城アイラ
media_format: CD
meta:
  added_date: 2021-08-06T15:41
  edited_date: 2026-01-10T20:43
  fetched_date: 2026-01-16T14:11
  freedb: 1
  ttl: 3600
  visitors: 2731
name: A Promise / Aira Yuuki
names:
  en: A Promise / Aira Yuuki
  ja: A Promise / 結城アイラ
  ja-latn: A Promise / Aira Yuuki
notes: 'M-01 - TV Anime "The world''s best assassin, To reincarnate in a different
  world aristocrat" Ending Theme

  Composer: Aira Yuuki

  Arranger: Masayuki Hasuo

  Lyricist: Aira Yuuki

  Guitar: Yoshimasa Terui

  Programming & All Other Instruments: Masayuki Hasuo

  Recording Engineer: Nobuyuki Morita

  Mixing Engineer: Takafumi Hoshino

  Recording Studio: studio Magic Garden

  Mixing Studio: studio Magic Garden

  M-02 - TV Anime "The world''s best assassin, To reincarnate in a different world
  aristocrat" Episode 3 Ending Theme

  Vocals: Dia (CV. Reina Ueda)

  Composer: Aira Yuuki

  Arranger: Masayuki Hasuo

  Lyricist: Aira Yuuki

  Guitar: Yoshimasa Terui

  Programming & All Other Instruments: Masayuki Hasuo

  Recording Engineer: Nobuyuki Morita

  Mixing Engineer: Takafumi Hoshino

  Recording Studio: studio Magic Garden

  Mixing Studio: studio Magic Garden

  M-03

  Composer: Aira Yuuki

  Arranger: Tomoari Taguma (Dream Monster)

  Lyricist: Aira Yuuki

  Trumpet: Ryusuke Kanke

  Acoustic Guitar: Kota Hashimoto

  Programming & All Other Instruments: Tomoari Taguma (Dream Monster)

  Recording Engineer: Nobuyuki Morita

  Mixing Engineer: Takafumi Hoshino

  Recording Studio: studio Magic Garden

  Mixing Studio: studio Magic Garden

  Performed & Created by Aira Yuuki

  Producer: Shigeto Takeyama (BANDAI NAMCO Arts)

  A&R Director: Rui Ogihara (BANDAI NAMCO Arts)

  Assistant Director: Ayaka Mochida (BANDAI NAMCO Arts)

  Mastering Engineer: Mitsuharu Harada

  Mastering Studio: studio Magic Garden

  Creative Director: Kentaro Yashiro (BANDAI NAMCO Arts)

  Creative Coordinator: Mao Yamashita (BANDAI NAMCO Arts)

  Art Director: Takuma Noriage (brg)

  Photographer: Kiyoaki Sasahara

  Hair & Makeup: 蓼沼仁美

  Stylist: Natsumi Sano

  Costume Cooperation: la belle Etude

  Illustration: Eri Osada

  Background: 塚原千晶

  Finish Work: Hayato Yoshida

  Special Effect: Kumiko Taniguchi (Team Taniguchi)

  Media Promotion: Lantis Promotion Department

  Sales Promotion Producer: Tomio Kawajiri (BANDAI NAMCO Arts)

  Sales Promotion: Yusuke Yamamoto (BANDAI NAMCO Arts)

  Chief Producer: Terushige Yoshie (BANDAI NAMCO Arts)

  Executive Producer: Yuka Sakurai (BANDAI NAMCO Arts)

  Special Thanks: ASSASSIN ARISTOCRAT PARTNERS'
organizations:
- &id002
  link: org/3
  names:
    en: Lantis
    ja: Lantis
    ja-latn: Lantis
  role: label
- link: org/1714
  names:
    en: BANDAI NAMCO Arts Inc.
    ja: 株式会社バンダイナムコアーツ
    ja-latn: BANDAI NAMCO Arts Inc.
  role: manufacturer
- *id001
performers:
- link: artist/2910
  names:
    en: Aira Yuuki
    ja: 結城アイラ
picture_full: https://media.vgm.io/albums/96/113669/113669-2dd1eacd5ded.jpg
picture_small: https://medium-media.vgm.io/albums/96/113669/113669-2dd1eacd5ded.jpg
picture_thumb: https://thumb-media.vgm.io/albums/96/113669/113669-2dd1eacd5ded.jpg
platforms:
- Series
products:
- link: product/9996
  names:
    en: The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat
    ja: 世界最高の暗殺者、異世界貴族に転生する
    ja-latn: Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tenseisuru
publish_format: Commercial
publisher: *id002
related:
- catalog: LZC-1947
  date: '2021-12-15'
  link: album/116124
  names:
    en: A Promise (English Ver.) / Aira Yuuki
    ja: A Promise (English Ver.) / 結城アイラ
    ja-latn: A Promise (English Ver.) / Aira Yuuki
  type: anime
- catalog: ZMXZ-15071CD
  date: '2021-12-22'
  link: album/115342
  names:
    en: THE WORLD'S BEST ASSASSIN, To reincarnate in a ...
    ja: 世界最高の暗殺者、異世界貴族に転生する Vol.1 Sp...
    ja-latn: Sekai Saikou no Ansatsusha, Isekai Kizoku ni Te...
  type: bonus
- catalog: ZMXZ-15072CD
  date: '2022-01-26'
  link: album/115343
  names:
    en: THE WORLD'S BEST ASSASSIN, To reincarnate in a ...
    ja: 世界最高の暗殺者、異世界貴族に転生する Vol.2 Sp...
    ja-latn: Sekai Saikou no Ansatsusha, Isekai Kizoku ni Te...
  type: bonus
- catalog: ZMXZ-15073CD
  date: '2022-02-25'
  link: album/115344
  names:
    en: THE WORLD'S BEST ASSASSIN, To reincarnate in a ...
    ja: 世界最高の暗殺者、異世界貴族に転生する Vol.3 Sp...
    ja-latn: Sekai Saikou no Ansatsusha, Isekai Kizoku ni Te...
  type: bonus
release_date: '2021-11-10'
release_events: []
release_price:
  currency: JPY
  price: 1430.0
reprints: []
vgmdb_link: https://vgmdb.net/album/113669?perpage=99999
vocals:
- link: artist/2910
  names:
    en: Aira Yuuki
    ja: 結城アイラ
- link: artist/15855
  names:
    en: Reina Ueda
    ja: 上田麗奈
votes: 0
