Кітаґава Марін

Marin is an extravagant, messy, and while quite mature, she's also clumsy. She isn't very skilled at handiwork. Marin is a cosplayer and a huge otaku, being a fan of magical girl anime and adult video games. She is very kind, friendly, cheerful and outgoing. She loves eating but still despite that she manages to maintain her slender figure.

Marin realizes she is in love with Wakana, and throughout the series, continually does whatever she can to invite him to places and spend time with him.