Ichika Arima

Ichika is a high school student and a classmate of [Rio](https://anilist.co/character/208077), [Ryou](https://anilist.co/character/141688/)'s little sister. She is annoyed by Ryou's one-sided feelings for her and she abuses him when he confesses his feelings for her, but she unconsciously gets attracted to him. She is an anime otaku and a fan of the character Toho from the anime *Forward World*.