Saeki Tsumiki

 (佐伯つみき) is a soloist and a former member of WILL-O' and SAKA-SAMA (As Tsutsumi; つつみ).

She joined SAKA-SAMA on July 7, 2019 and graduated on August 9, 2018.

She then joined WILL-O' on July 7, 2019 and graduated from it on March 31, 2021.

She unveiled her debut solo song on February 12, 2021.

Profile

 * Stage Name: Saeki Tsumiki (佐伯つみき)
 * Former Stage Name: Tsutsumi (つつみ)

Albums

 * It's A SAKA-SAMA World

Singles

 * Sayonara, Idol
 * Sushi Day Night Fever!! / Monogatari wa Itsumo

Albums

 * Pack TRACKS

Major Singles

 * HANABI
 * Baby's Breath

Digital Singles

 * I Will Hope
 * Face Myself
 * 4RAW