
Quick answer — Eri Inagawa voices Cyan Hijirikawa in Show By Rock!!, Tonari in To Your Eternity, Mio no Haha in The Stranger by the Shore and 3 more characters.
Eri Inagawa voices Cyan Hijirikawa (Show By Rock!!), Tonari (To Your Eternity), Mio no Haha (The Stranger by the Shore), Sena Seta (Tojima Wants to Be a Kamen Rider), Tare Makimura (Devilman Crybaby), Nyanta (The Lost Village).
Cyan Hijirikawa is voiced in Japanese by Eri Inagawa.