Wing Wing
"Wing Wing" is a song recorded by South Korean girl group Kep1er for their first Japanese maxi single marketed as "Fly-Up". It was pre-released as a digital single on August 3, 2022, and as a CD single featuring three other tracks on September 7, 2022, by Wake One Entertainment and Ariola Japan.
| "Wing Wing" | ||||
|---|---|---|---|---|
![]() Digital cover  | ||||
| Single by Kep1er | ||||
| Language | Japanese | |||
| B-side | 
  | |||
| Released | September 7, 2022 | |||
| Genre | J-pop | |||
| Length | 3:15 | |||
| Label | ||||
| Composer(s) | 
  | |||
| Lyricist(s) | 
  | |||
| Kep1er singles chronology | ||||
  | ||||
| Music video | ||||
| "Wing Wing" on YouTube | ||||
Background and release
    
On July 21, 2022, Wake One Entertainment announced Kep1er would be releasing their Japanese debut maxi single titled "Fly-Up" on September 7. The maxi single features four tracks including "Wing Wing".[1] "Wing Wing" was pre-released alongside its music video on August 3.[2] The maxi single was released on September 7.[3]
Composition
    
"Wing Wing" was written and composed by KZ, and B.O with Nthonius, and Meisobo participating in the composition.[4] "Wing Wing" was composed in the key of B minor, with a tempo of 128 beats per minute.[5]
Commercial performance
    
"Wing Wing" debuted at number three on the Billboard Japan Hot 100 in the chart issue dated September 14, 2022;[6] on its component charts, the song debuted at number 40 on the Top Download Songs.[7] It also debuted at number two on the Billboard Japan Top Single Sales in the chart issue dated September 14, 2022.[8] The song debuted at number two on the Oricon Singles Chart,[9] and number two on the Oricon Combined Chart in the chart issue dated September 19, 2022.[10]
Promotion
    
Following the release of the "Fly-Up", on September 10 and 11, Kep1er held a live event called "Kep1er Japan Debut Showcase LIVE <Fly-Up>" to introduce the maxi single and communicate with their fans.[11] The group also performed the song on CDTV! Live Live and Venue101 on September 3 and 5.[12]
Track listing
    
| No. | Title | Lyrics | Music | Length | 
|---|---|---|---|---|
| 1. | "Wing Wing" | 
  | 
  | 3:15 | 
| 2. | "Daisy" | 
  | 
  | 2:57 | 
| 3. | "Up!" (Japanese version) | 
  | 
  | 3:12 | 
| 4. | "Wa Da Da" (Japanese version) | 
  | 
  | 3:04 | 
| Total length: | 12:28 | |||
| No. | Title | Lyrics | Music | Length | 
|---|---|---|---|---|
| 1. | "Wing Wing" | 
  | 
  | 3:15 | 
| 2. | "Up!" (Japanese version) | 
  | 
  | 3:12 | 
| 3. | "Wa Da Da" (Japanese version) | 
  | 
  | 3:04 | 
| 4. | "O.O.O (Over&Over&Over)" | 
  | 
  | 4:07 | 
| Total length: | 13:38 | |||
Charts
    
Weekly charts
  | 
Monthly charts
 Year-end charts
 
  | 
Certifications
    
| Region | Certification | Certified units/sales | 
|---|---|---|
| Japan (RIAJ)[16] | Gold | 100,000^ | 
| 
 ^ Shipments figures based on certification alone.  | ||
Release history
    
| Region | Date | Format | Label | 
|---|---|---|---|
| Japan | September 7, 2022 | ||
| Various | 
References
    
- Lee, Yu-na (July 21, 2022). "케플러, 9월 7일 日 데뷔 예고...싱글 'FLY-UP' 발매→쇼케이스 개최" [Kepler announces Japanese debut on September 7th...single 'Fly-Up' released → showcase held] (in Korean). YTN. Retrieved October 15, 2023 – via Naver.
 - Ji, Min-kyung (August 3, 2023). "케플러, 日 데뷔곡 'Wing Wing' 선공개..현지 반응 HOT" [Kepler pre-releases Japanese debut song 'Wing Wing'..Local reaction HOT] (in Korean). Osen. Retrieved October 15, 2023 – via Naver.
 - Park, Se-yeon (September 7, 2022). "케플러, '플라이 업'으로 日 정식 데뷔...현지 쇼케이스 개최" [Kepler officially debuts in Japan with 'Fly Up'...Hold a local showcase] (in Korean). Maeil Business Newspaper. Retrieved October 15, 2023 – via Naver.
 - "Wing Wing" (in Korean). Retrieved October 15, 2023 – via Melon.
 - "Key & BPM for Wing Wing by Kep1er". Tunebat. Archived from the original on October 15, 2023. Retrieved October 15, 2023.
 - "Billboard Japan Hot 100 – Week of September 14, 2022". Billboard Japan (in Japanese). September 14, 2022. Archived from the original on September 14, 2022. Retrieved October 15, 2023.
 - "Billboard Japan Top Download Songs – Week of September 14, 2022". Billboard Japan (in Japanese). September 14, 2022. Archived from the original on October 12, 2023. Retrieved October 15, 2023.
 - "Billboard Japan Top Single Sales – Week of September 14, 2022". Billboard Japan (in Japanese). September 14, 2022. Archived from the original on March 21, 2023. Retrieved October 15, 2023.
 - "週間 シングルランキング – 2022年09月19日付" [Weekly Single Ranking – Published for September 19, 2022]. Oricon (in Japanese). September 5–11, 2022. Archived from the original on September 14, 2022. Retrieved October 15, 2023.
 - "週間 合算シングルランキング – 2022年09月19日付" [Weekly Total Single Ranking – Published for September 19, 2022]. Oricon (in Japanese). September 5–11, 2022. Archived from the original on October 26, 2022. Retrieved October 15, 2023.
 - Lee, Kyung-ho (September 13, 2022). "케플러, 日데뷔 쇼케이스 성료...'글로벌 1티어'로 한걸음" [Kepler successfully completes debut showcase in Japan...takes a step towards becoming a 'global tier 1'] (in Korean). MT Star News. Retrieved October 15, 2023 – via Naver.
 - Seon, Mi-kyung (September 6, 2022). "케플러, 日 데뷔 쇼케이스 전석 매진...'글로벌 1티어' 본격 시동" [Kepler sells out all tickets for Japan debut showcase...'Global Tier 1' begins in earnest] (in Korean). Osen. Archived from the original on October 14, 2022. Retrieved October 15, 2023 – via Naver.
 - "月間 シングルランキング – 2022年09月度" [Monthly Single Ranking – September 2022]. Oricon (in Japanese). Archived from the original on October 12, 2022. Retrieved October 15, 2023.
 - "Billboard Top Single Sales – 2022". Billboard Japan (in Japanese). Archived from the original on December 29, 2022. Retrieved October 15, 2023.
 - "年間 シングルランキング – 2022年度" [Annual Single Ranking – 2022]. Oricon (in Japanese). Archived from the original on December 22, 2022. Retrieved October 15, 2023.
 - "Japanese single certifications – Kepler – Fly-Up" (in Japanese). Recording Industry Association of Japan. Retrieved October 15, 2023. Select 2022年9月 on the drop-down menu
 
