Kizuna (Aya Ueto song)

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Kizuna standard.png
Single by Aya Ueto
from the album Ayaueto
ReleasedNovember 7, 2002 (2002-11-07)
RecordedSeptember 13, 2002 (2002-09-13)
LabelFlight Master
  • T2ya
Aya Ueto singles chronology
Audio sample

"Kizuna" (stylized as "kizuna") is a song recorded by Japanese singer Aya Ueto, from her debut studio album, Ayaueto. It was released as the album's second single by Flight Master on November 7, 2002. The first pressing of the single included a bonus CD-ROM featuring a special video message from Ueto, as well as a program allowing fans to receive emails from her for a limited period. The song was used in commercials for Karaoke Station by Bandai, starring Ueto herself.[1]


"Kizuna" was released two months following the debut single "Pureness". The track is a midtempo ballad and, like "Pureness," it was written, composed, arranged and produced by T2ya.[1] It was recorded by Ueto on September 13, 2002, the day before her seventeenth birthday. At the time of release, Ueto was in the middle of filming her first feature film, Azumi (2003), and had to learn the lyrics to "Kizuna" on the day of recording. Due to the hectic filming schedule at the time, Ueto did not do any televised promotion for the single. The music video for "Kizuna" was shot on the rooftop of a hotel in Osaka.[2] The video shoot was squeezed in an opening in the filming schedule when the crew for Azumi were moving locations from Kyoto to Hiroshima, giving Ueto just enough time to film the video and get back to set the next day. Ueto has stated that the music video for "Kizuna" is one of her personal favorites.[2]

Chart performance[edit]

"Kizuna" entered the daily Oricon Singles Chart at number 3.[3] The single debuted on the weekly chart at number 5, with 32,000 copies sold in the first week.[4] It spent a second week in the top twenty, at number 19, selling 11,000copies,[5] before dropping out the following week.[6] "Kizuna" charted on the Oricon Singles Chart for eleven weeks, selling a reported total of 57,000 copies during its run.[7]

Track listing[edit]

  • T2ya
  • Natsumi Kobayashi
  • Naoto Suzuki
  • Suzuki
3."Pureness" (Million Plug Style Remix)
  • T2ya
  • T2ya
4."Kizuna" (Instrumental)
  • T2ya
  • T2ya
Total length:19:23


Chart (2002) Peak
Japan Daily Singles (Oricon)[3] 3
Japan Weekly Singles (Oricon)[8] 5
Japan Monthly Singles (Oricon)[9] 22
Japan Weekly Singles (SoundScan)[10] 7


Region Certification Certified units/Sales
Japan (RIAJ) N/A 57,000[7]

*sales figures based on certification alone
^shipments figures based on certification alone

Release history[edit]

Region Date Format(s) Label Ref.
Japan November 7, 2002 (2002-11-07) Flight Master [11][12]
Taiwan January 17, 2003 (2003-01-17)
  • CD
Skyhigh Entertainment [13]


  1. ^ a b 2ヶ月連続シングルリリース記念「上戸彩年鑑 2002~2004」. Barks (in Japanese). June 14, 2004. Retrieved June 27, 2009.
  2. ^ a b "上戸彩『5年間の軌跡を綴った、ファン待望のベストアルバムが完成!』". Oricon (in Japanese). September 13, 2006. Retrieved June 29, 2009.
  3. ^ a b "【マターリ】CD売上げ報告スレ6【議論】" (in Japanese). November 7, 2002. Retrieved July 26, 2011.
  4. ^ "オリコン 2002.11.18". Retrieved April 1, 2018.
  5. ^ "オリコン 2002.11.25". Retrieved April 1, 2018.
  6. ^ "オリコン 2002.12.2". Retrieved April 1, 2018.
  7. ^ a b "オリコンランキング情報サービス「you大樹」" [Oricon Ranking Information Service 'You Taiju']. Oricon. Retrieved April 1, 2018.
  8. ^ "kizuna 上戸彩". Oricon. Retrieved April 1, 2018.
  9. ^ "2002/12 付 CDシングル BEST50". Oricon. Archived from the original on May 7, 2003. Retrieved April 3, 2018.
  10. ^ "週刊 CDソフト TOP20". Nielsen SoundScan (in Japanese). Retrieved July 26, 2011.
  11. ^ "上戸彩 / kizuna [CCCD] [限定][廃盤]". CDJournal (in Japanese). Retrieved April 1, 2018.
  12. ^ "上戸彩 / kizuna [CCCD] [廃盤]". CDJournal (in Japanese). Retrieved April 1, 2018.
  13. ^ "上戶彩/ 牽絆". G-Music (in Chinese). Archived from the original on March 26, 2012. Retrieved April 1, 2018.