Riko Sakurauchi is one of the nine main characters from the series, Love Live! Sunshine!! She is a part of the high school Idol group Aqours and also the subgroup, Guilty Kiss. Riko is very musically talented as she skillfully plays the piano and viola that she takes on the role as the composer for Aquors? songs. As reserved, polite and modest as Riko can be, she always freaks out when she sees a dog to the point of moving recklessly whenever she encounters one.