Butter-Fly
Debut single by Kōji Wada for Digimon Adventure.
"Butter-Fly" is a song by Japanese singer Kōji Wada, released as his debut single on April 23, 1999. It served as the opening theme to the anime series Digimon Adventure and became closely associated with the franchise.
Quick Facts
- Artist
- Kōji Wada
- Album
- All of My Mind
- B-side
- "Seven", "Seven" (10th Memorial Version; Strong Version)
- Released
- 23 April 1999
- Genre
- J-pop, anison
- Label
- Interchannel
- Writer
- Hidenori Chiwata; Cher Watanabe
Facts from the source article.
Track listing
| No. | Title | Writer(s) | Length |
|---|---|---|---|
| 1 | Butter-Fly | Hidenori Chiwata | 4:18 |
| 2 | Seven | Kouhei Koyama | 4:17 |
| 3 | Butter-Fly (original karaoke) | 4:18 | |
| 4 | Seven (original karaoke) | 4:17 | |
| Total length | 17:12 | ||
"Butter-Fly (Strong Version)" single
| No. | Title | Writer(s) | Length |
|---|---|---|---|
| 1 | Butter-Fly (Strong Version) | Hidenori Chiwata | 4:30 |
| 2 | Seven (10th Memorial Version) | Kouhei Koyama | 4:37 |
| 3 | Butter-Fly (Strong Version; original karaoke) | 4:30 | |
| 4 | Seven (10th Memorial Version; original karaoke) | 4:37 | |
| Total length | 18:13 | ||
"Butter-Fly (tri. Version)" single
| No. | Title | Writer(s) | Length |
|---|---|---|---|
| 1 | Butter-Fly (tri. Version) | Hidenori Chiwata | 3:45 |
| 2 | Butter-Fly (tri. Version; original karaoke) | 3:45 | |
| Total length | 7:30 | ||
Track listing from the source article.
Background and release
The song was first performed as a ballad for the 1999 film Digimon Adventure, then reworked into a rock version for the television series. It marked Wada's first performance of a rock song. The single was re-released on August 1, 2004 with new artwork for the franchise's fifth anniversary. Its success earned Wada the title "Immortal Butterfly Anime Song Singer." A version called "Butter-Fly (Strong Version)" came out on April 22, 2009 for the tenth anniversary of both the Digimon franchise and Wada's debut, charting on Oricon Weekly Singles for one week. "Butter-Fly (tri. Version)" was released on November 25, 2015 as the theme for Digimon Adventure tri., and was Wada's last release before his death on April 3, 2016. A second version of that track, using posthumous archive audio of Wada alongside performances by AiM, Ayumi Miyazaki, and the eighteen main cast members of tri., was released on May 1, 2018 as the ending theme for the final installment of the film series.
Cover versions
The male cast of Digimon Adventure recorded a version of "Butter-Fly" for the We Love Digimon Music CD box set, which came out on December 25, 2002, to mark the 100th CD release in the franchise. Masaaki Endoh put his own take on the song on his album Enson. Halko Momoi included a cover on her 2008 album More & More Quality Red: Anime Song Cover. Nagareda Project released a cover on their album Nagareda PPP on August 8, 2012. The idol group Sea*A put out an English-language version on their first album, Sea*A, on March 27, 2013. Trefle made a cover their debut single on November 18, 2015; it reached number 78 on the Oricon Weekly Singles Chart and was used as the opening theme for Animemashite. The group also performed it at Anison History Japan!!. Hatsune Miku released a cover on September 2, 2019, as part of a collaboration with the Digimon franchise. On August 15, 2025, The First Take published a cover by ANISAMA FRIENDS, a unit made up of Masayoshi Ōishi, Masami Okui, and the bands angela, TrySail, and FLOW.
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