Mai is pop singer form Hokkaido, Japan. On December 2002, she debuted as Ruppina, for the anime One Piece 9th ending theme "Free Will", although she only officially debuted as Ruppina on January 2003. On August 2004, she released her final single under name Ruppina called "in the name of love".

On December 2005, she released the music video "Reborn" under a brand new name, Mai. It was used as the closing theme song of the show Hey! Hey!...

 Mai is pop singer form Hokkaido, Japan. On December 2002, she debuted as Ruppina, for the anime One Piece 9th ending theme "Free Will", although she only officially debuted as Ruppina on January 2003. On August 2004, she released her final single under name Ruppina called "in the name of love".

On December 2005, she released the music video "Reborn" under a brand new name, Mai. It was used as the closing theme song of the show Hey! Hey! Hey! Music Champ beginning with the December 5th episode. The song is also used as the theme song for XBox game eM. On April 2006, she released her second single "Eyes" and on August 2006 "Princess ∞ Candy" was released. She finally released her first album Maiself on Spetember 2006.