Riko Sakurauchi (桜内梨子, Sakurauchi Rikio) is a main character of Love Live! Sunshine!!. She is a third-year student at Numazu High School. She is a member of Guilty Kiss, a sub-unit under Aqours. Her image color is cherry pink. Initially a first-year student at Otonokizaka High School, she was a second-year student at both Uranohoshi Girls' High School prior to its closure and Seishin High School (albeit temporarily) before fully integrated into Numazu High.