Mimitsu Mitsu

A female teacher who is still treated as a newbie at Sukumi Academy. She started working at the Academy around same time as Shinichi enrolled. She is the swimming club supervisor. She is very knowledgeable and guides her students well. Her personality is serious, but not overserious. She is often troubled by the three problematic students who are participating in the training camp.

She was originally a student at Sukumi Academy, and has previously participated in the special swimming club training camp after gaining recognition with her achievements.