Yakusoku (Eir Aoi song)

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"Yakusoku"
The regular edition cover
Single by Eir Aoi
from the album Fragment
A-side"Ryūsei" (double A-side)
ReleasedJune 13, 2018
Recorded2018
StudioSony Music Studio
(Tokyo, Japan)
GenreJ-pop
Length4:47
LabelSacra Music
Composer(s)Ryosuke Shigenaga
Lyricist(s)Eir Aoi, Ryosuke Shigenaga
Eir Aoi singles chronology
"Tsubasa"
(2016) 		"Yakusoku" / "Ryūsei"
(2018) 		"Iris"
(2018)
Music video
約束(Youtube edit) on YouTube

"Yakusoku" (約束, Promise) is a song by Japanese pop singer Eir Aoi. It was released on her official YouTube on February 8, 2018 as her comeback song from her hiatus,[1][2] before received a physical release together with the song "Ryūsei" on June 13, 2018 as her fourteenth single.[3] It reached number 8 on Oricon and number 10 on Japan Hot 100. The single mark as her first double A-side single.

Release and reception[edit]

On 8 February 2018, it was announced that she would resume her activities after her hiatus with the release of the music video "Yakusoku" (約束, Promise) on YouTube.[1][2] The song itself was released together with the song "Ryūsei" on June 13, 2018 as her fourteenth single on three edition; Regular edition, Limited edition and Limited anime edition.[3] The single reached number 8 on Oricon, and 10 on Japan Hot 100.[4][5] The song was featured in her fourth album "Fragment".[6]

Music video[edit]

The music video for "Yakusoku" was directed by Yūsuke Tanaka.[7] The video features a lyrics of the song with some footage of Eir Aoi with using blue jacket taking a photo session in the mountain, with some scene featuring a forest and also a mountain

Track listing[edit]

Regular edition[edit]

CD
No.TitleLength
1."Ryūsei" (流星 Meteor)4:13
2."Yakusoku" (約束 Promise)4:47
3."Hitokakera no Yuuki" (ヒトカケラの勇気 A Piece of Courage)3:52
4."Ryūsei" (流星 Meteor) (Instrumental)4:11

Limited edition[edit]

CD
No.TitleLength
1."Ryūsei" (流星 Meteor)4:13
2."Yakusoku" (約束 Promise)4:47
3."Hitokakera no Yuuki" (ヒトカケラの勇気 A Piece of Courage)3:52
4."Ryūsei" (流星 Meteor) (Instrumental)4:11
DVD
No.TitleLength
1."Ryūsei" (music video)4:11
2."Yakusoku" (music video)4:45

Limited anime edition[edit]

CD
No.TitleLength
1."Ryūsei" (流星 Meteor)4:13
2."Yakusoku" (約束 Promise)4:47
3."Hitokakera no Yuuki" (ヒトカケラの勇気 A Piece of Courage)3:52
4."Ryūsei" (流星 Meteor) (Sword Art Online Alternative Gun Gale Online OP ver)1:29
DVD
No.TitleLength
1."Ryūsei" (Sword Art Online Alternative Gun Gale Online opening version without credit)1:30

Personnel[edit]

Singer and bands
  • Eir Aoi – vocals, lyrics ("Ryūsei", "Yakusoku")
  • Kohei Tsunami, Ryosuke Shigenaga, Katsuhiko Kurosu – lyrics
  • Ryosuke Shigenaga – Piano, arranger, other instruments
  • Hiroki Arai - bass
  • Takumi Sone – guitar
  • Taro Yoshida – drums
  • Tomoe Nakajima, Izumi Taniguchi, Nao Yamada - Violin, viola
  • Kana Matsuo - Cello
Production
  • Satoshi Morishige, Nobuyuki Fujiwara – record
  • Kenichi Koga – mixer

Charts[edit]

Year Chart Peak position
(shared with Ryūsei)
2017 Oricon[4] 10
Japan Hot 100[5] 8

Release history[edit]

Region Date Label Format Catalog
Japan 13 June 2018 Sacra Music CD VVCL-1255
CD+DVD VVCL-1252
CD+DVD VVCL-1256

References[edit]

  1. ^ a b "Singer Eir Aoi Returns From Hiatus". Anime News Network. February 8, 2018. Archived from the original on February 8, 2018. Retrieved June 21, 2020.
  2. ^ a b ">藍井エイル、活動再開のお知らせ" (in Japanese). Sony Music Entertainment Japan. Archived from the original on February 7, 2018. Retrieved June 21, 2020.
  3. ^ a b "藍井エイル、14thシングル「流星 / 約束」6月13日（水）に発売決定！" (in Japanese). Sony Music Entertainment Japan. March 26, 2018. Archived from the original on March 28, 2018. Retrieved June 21, 2020.
  4. ^ a b "流星/約束" (in Japanese). Oricon. Retrieved June 21, 2020.
  5. ^ a b "流星 - Chart Insight" (in Japanese). Billboard Japan. Retrieved June 21, 2020.
  6. ^ "FRAGMENT" (in Japanese). Oricon. Retrieved June 21, 2020.
  7. ^ "SPACE SHOWER Music Video Search". SPACE SHOWER Networks Inc. Retrieved June 21, 2020. (in Japanese)
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