Also known as: 桜内梨子, ようりこ
A protagonist in Love Live! Sunshine!!. Riko is reserved, modest, and likes indoor activities, but often flies into a panic. She plays piano, collects manga (mostly yuri specializing in Kabedon and kabekui) and lives with her mother.
Riko is a member of the Aqours sub-unit Guilty Kiss, alongside Tsushima Yoshiko and Ohara Mari.
She has Yellow Eyes and long, Red Hair, styled as a Half Updo with two Hairclips.
Voiced by Aida Rikako.