2011年「EXILE Presents VOCAL BATTLE AUDITION 3 ～For Girls～」において選出され、Vocal＆PerformerとしてFlowerに加入。同年「Still」にてデビュー。 デビュー後、EXILEのD.N.Aを受け継ぐ、本格的なダンスパフォーマンスを展開するダンス&ボーカルグループ”E-girls”としても活動を開始。どこかせつなさを孕んだ歌声は聴く人の心を鷲掴みにし、これまでにm-floやDJDECKSTREAM等の作品にコラボレーションで参加。 2017年10月～2019年3月まで、J-WAVE「AVALON」の週替わりナビゲーターも務めた。 2020年末をもって、E-girlsは活動を終了させ、満を持してソロプロジェクトを始動！ rei (Reina Washio), a singer who passed the audition “EXILE Presents VOCAL BATTLE AUDITION 3 ～For Girls～” in 2011 and joined the girl group “Flower” as the Vocal & Performer. Later that year she made her debut along with Flower with the single “Still.” After debut, rei also joined “E-girls,” the Dance & Vocal girl group created as a female junior group to the boy band “EXILE,” and started her career as a member of both Flower and E-girls. rei deeply attracts music fans with her mellow singing voice that somehow holds sadness within. She also joined in collaboration works with musicians such as m-flo and DJ Deckstream and was the weekly navigator of J-WAVE’s radio program “AVALON” from October 2017 to March 2019. After E-girls disbanded at the end of 2020, rei started her solo project and continues to fascinate fans with her songs.