"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.

"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

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