Affiliation sMiLea Production Agency Stage Name Suzu Occupation Idol, Singer Idol Group PROTOSTAR Isuzugawa Chihiro is one of the Idols in the UniteUp! Anime Series. He is is usually seen serene. He is the group's youngest member with the stage name Suzu and was officially signed with sMiLea Production along with Kiyose Akira and Banri Naoe, they formed the Idol group called PROTOSTAR.