Ishii Yuki

 (石井優希) is a former Japanese idol and a former founding member of mai mai and Flutter ♭.

She was dissmissed from Flutter ♭ on September 10, 2023.

Flutter ♭

 * Special Skills: Balloon art, eating a lot
 * Hobbies: Camera photography

mai mai

 * Special Skills: Balloon art
 * Charm Point: Big eyes and winks