Biography
MEZZO" is a 2-person sub unit of the fictional idol group IDOLiSH7.
MEZZO" consists of Tamaki Yotsuba (CV: KENN) and Sogo Osaka (CV: Atsushi Abe (阿部敦) from IDOLiSH7. During the shuffle unit portion of the story where IDOLiSH7 and TRIGGER are having their joint practice, Ryunosuke Tsunashi (CV: Takuya Satou) from TRIGGER is added to the group, for only a short period of time.
Biography text from Last.fm, available under CC BY-SA.