Yamamoto Yuna

 (山本優菜) is a founding member and the leader of Cinderella Sengen! and a former founding member of Puchi Passpo☆ and Nankin Pepper.

She joined Puchi Passpo☆ as a founding member in May 2015 with the group's formation and left with their disbandment on March 21, 2018.

She joined Nankin Pepper as a founding member on April 1, 2018 and left with the group's disbandment on December 29, 2019.

In November 2020 she joined Cinderella Sengen! as leader and founding member.

On April 1, 2023 Cinderella Sengen! changed their name to SIN-SEN with the later's concept featuring a darker image along a heavy rock sound, the change was later revealed to be temporal and only until after their "Super April Fool's Festival 2023" concert the next day.

Albums

 * Ultra Samba

Singles

 * Samurai Girl
 * Go Fight! Fly High!
 * Meramera Jumpin'

Singles

 * Kokisanzen

Singles

 * Cinderella Sengen! / Asagao Shangri-La / Hanikami Sunset

Digital Singles

 * Cinderella Sengen!
 * Hyaku Thank You!
 * 7-Kaime no One Piece
 * DokiDoki! Heartbeat!!
 * pastel shade
 * Cinderella Kakumei -Revolution-
 * Kimiiro Fantasy
 * Renai Labyrinth
 * Niji
 * 7-Kaime no One Piece (7Ver. remix)
 * DokiDoki! Heartbeat!! (7Ver. remix)
 * pastel shade (7Ver. remix)
 * Cinderella Kakumei -Revolution- (7Ver. remix)
 * Kimiiro Fantasy (7Ver. remix)
 * Renai Labyrinth (7Ver. remix)
 * Tsuioku Fragment
 * day dream
 * Momoiro Soda
 * Cinderella Sengen! (7-nin Ver.)
 * Asagao Shangri-La
 * Renjou Princess
 * Time Leap