Yachia Riko

 (雅雀り子) is the stage name of Yamanokuchi Rikako (山之口 理香子), a Japanese dancer, idol and a member of METAMUSE.

She was active as the group's choreographer from the start, but later joined ZOC as a new member on October 1, 2020.

Digital Singles

 * 1) [2021.09.09] Riko Riko☆Kuro Majutsu (りこりこ☆くろまじゅつ)

Albums

 * PvP

Singles

 * AGE OF ZOC / DON'T TRUST TEENAGER

Split Singles

 * Katsurei GIRL / BEGGiNG

Trivia

 * She participated in the Miss iD 2017 contest.