I Do! Do You?

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"I Do! Do You?"
Digital cover
Single by Kep1er
LanguageJapanese
B-side
  • "Together Forever"
  • "We Fresh" (Japanese version)
ReleasedMarch 15, 2023 (2023-03-15)
GenreDance
Length3:35
Label
Composer(s)
Lyricist(s)
  • Tsingtao
  • Ryo Ito
Kep1er singles chronology
"We Fresh"
(2022)
"I Do! Do You?"
(2023)
"Giddy"
(2023)
Music video
"I Do! Do You?" on YouTube

"I Do! Do You?" is a song recorded by South Korean girl group Kep1er for their second Japanese maxi single marketed as "Fly-By". It was pre-released as a digital single on February 21, 2023, and as a CD single featuring three[A] other tracks on March 15, 2023, by WakeOne and Ariola Japan.

Background and release[edit]

On January 16, 2023, Wake One Entertainment announced Kep1er would be releasing their second Japanese maxi single titled "Fly-By" on March 15. The maxi single features four tracks including "I Do! Do You?".[1] "I Do! Do You?" was pre-released alongside its music video on February 21.[2] The maxi single was released on March 15.[3]

Composition[edit]

"I Do! Do You?" was written by Tsingtao, and Ryo Ito, and composed by Jonatan Gusmark, Emily Yeonseo Kim, Moa "Cazzi Opeia" Carlebecker, Ellen Berg, and Moonshine.[4] It was described as a "uptempo" dance song characterized by "funky disco rhythm" with lyrics about "[Kep1er]' members subtle feelings about the person they like and their growing feelings".[5] "I Do! Do You?" was composed in the key of C major, with a tempo of 120 beats per minute.[6]

Commercial performance[edit]

"I Do! Do You? debuted at number three on the Billboard Japan Hot 100 in the chart issue dated March 22, 2023;[7] on its component charts, the song debuted at number 86 on the Top Download Songs.[8] The song debuted at number three on the Oricon Singles Chart,[9] and the Oricon Combined Chart in the chart issue dated March 27, 2023.[10]

Promotion[edit]

Prior to the release of "Fly-By", on March 6, 2023, Kep1er performed the song on CDTV! Live Live.[11]

Track listing[edit]

Digital download
No.TitleLyricsMusicLength
1."I Do! Do You?"
  • Tsingtao
  • Ryo Ito
3:35
2."Together Forever"
  • Jinli (Full8loom)
  • Minami
  • Gloryface (Full8loom)
  • Kim Ga-yeong
3:32
3."We Fresh" (Japanese version)
  • KZ
  • B.O
  • KZ
  • Nthonius
  • Meisobo
  • B.O
3:16
4."MVSK" (Japanese version)Jeong Ho-hyeon (E.one)Jeong Ho-hyeon (E.one)3:11
5."Wa Da Da" (Japanese version; Imlay remix)
  • BuildingOwner (PrismFilter)
  • Elum (PrismFilter)
  • Shannon
  • Danke
  • Hwang Yu-bin (XYXX)
  • Odal Park
  • Lee Seu-ran
  • Kako
  • Elley
  • Ryo Ito
  • BuildingOwner (PrismFilter)
  • Elum (PrismFilter)
  • Shannon
3:16
Total length:16:50
CD single – limited edition
No.TitleLyricsMusicLength
1."I Do! Do You?"
  • Tsingtao
  • Ryo Ito
  • Jonatan Gusmark
  • Emily Yeonseo Kim
  • Moa "Cazzi Opeia" Carlebecker
  • Ellen Berg
  • Moonshine
3:35
2."Together Forever"
  • Jinli (Full8loom)
  • Minami
  • Gloryface (Full8loom)
  • Kim Ga-yeong
3:32
3."We Fresh" (Japanese version)
  • KZ
  • B.O
  • KZ
  • Nthonius
  • Meisobo
  • B.O
3:16
4."MVSK" (Japanese version)Jeong Ho-hyeon (E.one)Jeong Ho-hyeon (E.one)3:11
Total length:13:34
CD single – standard edition
No.TitleLyricsMusicLength
1."I Do! Do You?"
  • Tsingtao
  • Ryo Ito
  • Jonatan Gusmark
  • Emily Yeonseo Kim
  • Moa "Cazzi Opeia" Carlebecker
  • Ellen Berg
  • Moonshine
3:35
2."We Fresh" (Japanese version)
  • KZ
  • B.O
  • KZ
  • Nthonius
  • Meisobo
  • B.O
3:16
3."Wa Da Da" (Japanese version; Imlay remix)
  • BuildingOwner (PrismFilter)
  • Elum (PrismFilter)
  • Shannon
  • Danke
  • Hwang Yu-bin (XYXX)
  • Odal Park
  • Lee Seu-ran
  • Kako
  • Elley
  • Ryo Ito
  • BuildingOwner (PrismFilter)
  • Elum (PrismFilter)
  • Shannon
3:16
4."I Do! Do You?" (Inst.) 
  • Jonatan Gusmark
  • Emily Yeonseo Kim
  • Moa "Cazzi Opeia" Carlebecker
  • Ellen Berg
  • Moonshine
3:35
Total length:13:42
CD single – Kep1ian edition
No.TitleLyricsMusicLength
1."I Do! Do You?"
  • Tsingtao
  • Ryo Ito
  • Jonatan Gusmark
  • Emily Yeonseo Kim
  • Moa "Cazzi Opeia" Carlebecker
  • Ellen Berg
  • Moonshine
3:35
2."We Fresh" (Japanese version)
  • KZ
  • B.O
  • KZ
  • Nthonius
  • Meisobo
  • B.O
3:16
3."MVSK" (Japanese version)Jeong Ho-hyeon (E.one)Jeong Ho-hyeon (E.one)3:16
4."I Do! Do You?" (Inst.) 
  • Jonatan Gusmark
  • Emily Yeonseo Kim
  • Moa "Cazzi Opeia" Carlebecker
  • Ellen Berg
  • Moonshine
3:35
Total length:13:42

Charts[edit]

Certifications[edit]

Certifications for "I Do! Do You?"
Region Certification Certified units/sales
Japan (RIAJ)[15] Gold 100,000^

^ Shipments figures based on certification alone.

Release history[edit]

Release history for "I Do! Do You?"
Region Date Format Label
Japan March 15, 2023
Various

Notes[edit]

  1. ^ The digital edition features four other tracks.

References[edit]

  1. ^ Seon, Mi-kyung (January 16, 2023). "케플러, 3월 15일 日 두 번째 싱글 'FLY-BY' 발표..인기 정조준" [Kepler releases second Japanese single 'FLY-BY' on March 15th..Aiming for popularity] (in Korean). Osen. Retrieved October 15, 2023 – via Naver.
  2. ^ "Kep1er Japan 2nd Singleより、タイトル曲「I Do! Do you?」MV公開!本日より先行配信もスタート!" [From Kep1er Japan 2nd Single, title song "I Do! Do you?" MV released! Advance distribution starts today!]. Kep1er Japan (in Japanese). February 21, 2023. Retrieved October 15, 2023.
  3. ^ Hwang, Hye-jin (March 15, 2023). "케플러, 오늘(15일) 日 싱글 2집 'FLY-BY' 발매→5월 아레나 투어" [Kepler releases 2nd Japanese single 'FLY-BY' today (15th) → Arena tour in May] (in Korean). Newsen. Retrieved October 15, 2023 – via Naver.
  4. ^ "I Do! Do You?". Retrieved October 15, 2023 – via Apple Music.
  5. ^ Hwang, Mi-hyeon (March 15, 2023). "케플러, 오늘 日 새 싱글 발표...청량·상큼 에너지" [Kepler releases new single today in Japan...Refreshing, refreshing energy] (in Korean). News1. Retrieved October 15, 2023 – via Naver.
  6. ^ "Key & BPM for I Do! Do You? by Kep1er". Tunebat. Archived from the original on October 15, 2023. Retrieved October 15, 2023.
  7. ^ a b "Billboard Japan Hot 100 – Week of March 22, 2023". Billboard Japan (in Japanese). March 22, 2023. Archived from the original on March 22, 2023. Retrieved October 15, 2023.
  8. ^ "Billboard Japan Top Download Songs – Week of March 22, 2023". Billboard Japan (in Japanese). March 22, 2023. Archived from the original on April 19, 2023. Retrieved October 15, 2023.
  9. ^ a b "週間 シングルランキング – 2023年03月27日付" [Weekly Single Ranking – Published for March 27, 2023]. Oricon (in Japanese). March 13–19, 2023. Archived from the original on March 22, 2023. Retrieved October 15, 2023.
  10. ^ a b "週間 合算シングルランキング – 2023年03月27日付" [Weekly Total Single Ranking – Published for March 27, 2023]. Oricon (in Japanese). March 13–19, 2023. Archived from the original on June 25, 2023. Retrieved October 15, 2023.
  11. ^ Kang, Da-yoon (February 28, 2023). "케플러, 3월 6일 日 'CDTV 라이브! 라이브!' 출연...신곡 무대 최초 공개" [Kepler, March 6th, Japan 'CDTV Live! Live!' Appearance...First public performance of new song] (in Korean). My Daily. Archived from the original on February 28, 2023. Retrieved October 15, 2023 – via Naver.
  12. ^ "月間 シングルランキング – 2023年03月度" [Monthly Single Ranking – March 2023]. Oricon (in Japanese). Archived from the original on April 12, 2023. Retrieved October 15, 2023.
  13. ^ 年間 アルバムランキング 2023年度 [Annual Singles Ranking 2023] (in Japanese). Oricon. p. 9. Archived from the original on December 19, 2023. Retrieved December 20, 2023.
  14. ^ "Billboard Japan Top Singles Sales – 2023 Year-End". Billboard Japan (in Japanese). Retrieved December 8, 2023.
  15. ^ "Japanese single certifications – Kepler – Fly-By" (in Japanese). Recording Industry Association of Japan. Retrieved October 15, 2023. Select 2023年3月 on the drop-down menu