The lead vocalist and guitarist of Glitter Green, and the older sister of Rimi. She and the other members of Glitter Green were members of the Hanasakigawa Girls' High School student council.
SpoilerAfter graduating, Yuri went to study at a college overseas, and it's been said that Rimi misses her. The two keep in contact through text messages every day.
(Source: BanG Dream! Wikia)