Mai
Person · female · Japan · Hokkaidō · born 1984
Japanese singer
Also known as 工藤舞
Timeline
1980s
Biography
Biography
Mai (舞), real name Mai Kudo (工藤 舞, Kudō Mai; born July 18, 1984) is a J-Pop singer from Hokkaidō, Japan. She is a talent of the Fit One management company and part of the artists' roster of Rhythm Zone owned by Avex Entertainment Inc. She originally debuted as "Ruppina". As Ruppina, she recorded the song "Free Will" which was used as the 9th ending theme of the Japanese anime series One Piece.
History
December 2002: Released her first single as Ruppina: Free Will (One Piece 9th ending theme)
January 2003: Officially debuts as Ruppina.
August 2004: Released final single as Ruppina: in the name of love
December 2005: Her music video for "Reborn" is used for the closing theme song of the Japanese TV show Hey! Hey! Hey! Music Champ beginning with the December 5 episode. She is in the nude throughout the music video. The song is also used as the theme song for the Xbox 360 game "eM" by FromSoftware. Heavy promotion by Avex continues throughout the month prior to her single debut as Mai at the end of the month.
April 2006: Her second single "Eyes", released on April 12, 2006, seems to continue the "au naturel" theme from the first single, which is reflected in its video.
August 2006: Her third single, Princess ∞ Candy appears in the entire nude music video
November 2007: Her blog was revived and her musical branding was changed Ruppina+.
June 2011: She announced a seemingly indefinite hiatus from singing due to an undisclosed issue with her voice, however she remains active on social media.
Singles
Reborn / Squair (December 28, 2005)
Eyes / Rainbow (April 12, 2006)
Princess Candy / Moon Tears (August 16, 2006)
Discography & profile
Normalised profile
Percentiles are computed over every artist in the database, so a tier-3 artist can still sit in the 95th percentile on a single axis.
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 6 | 38.9th |
| Spotify monthly listeners | — | no data |
| Release groups in DB | 0 | 0th |
| Studio albums | 0 | 0th |
| Awards recorded | 0 | 0th |
| Timeline events | 1 | 40.6th |
| Recording span (years) | — | no data |
| Genres | 1 | 56th |
Percentiles are computed at render time; missing values mean the artist has no data on that axis.
Discography (0 release groups)
No discography rows stored yet
MusicBrainz enrichment for this artist is still pending. Release groups appear here once it runs.
Stats & PK
Percentile within all 23,672 published artists.Put Mai head-to-head →
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 6 | 38.9th |
| Spotify monthly listeners | — | no data |
| Release groups in DB | 0 | 0th |
| Studio albums | 0 | 0th |
| Awards recorded | 0 | 0th |
| Timeline events | 1 | 40.6th |
| Recording span (years) | — | no data |
| Genres | 1 | 56th |
Awards & honours
Where this record comes from
core—wikidata · CC0 · retrieved 10 October 2026
https://www.wikidata.org/wiki/Q3025946genre—wikidata · CC0 · retrieved 11 October 2026
https://www.wikidata.org/wiki/Q3025946seed-list—wikipedia · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Mai_%28singer%29biography—wikipedia-en · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Mai_%28singer%29
Why this artist is in the database
- List of J-pop artists
Tier rule: curated genre/region list
Image: no portrait (not displayed: the licence credit is missing)
Wikidata: Q3025946 · MusicBrainz: 9d802133-9277-4ff7-b395-785598fb744b
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