The bassist for Glitter Green, and a salesperson at Edogawa Music. She and the other members of Glitter Green were members of the Hanasakigawa Girls' High School student council. Rii is a calm girl who usually keeps a check over Hinako and tries to make sure she doesn't get into trouble or ruin their band's "image". Despite that, she has a plush demon called Debeko which she occasionally uses as a puppet. (Source: BanG Dream! Wikia)