Miou Aida

She's shy and isn't the type to stand out, but she's kindhearted and has a lot of friends. Likes Haruki, but doesn't have the courage to confess. Hatsukoi no Ehon and Miraizu are both from her point of view and focus on her relationship with Haruki. Propose is about their relationship too, but is from Haruki's point of view. She is also featured in the songs Tokyo Summer Session, Koiiro ni Sake and Ippun Ichibyou Kimi to Boku no.