The protagonist of the series, an incredibly masochistic boy who nevertheless wants to be cured of his condition if he is to court a certain girl.
One of two main female protagonists, the sadistic president of the Second Voluntary Club.
The other main female protagonist and a beautiful, shy girl.
Tatsukichi Hayama / Tatsumi Antoinette XVI
Voiced by: Rina Sato
(Japanese), Meaghan Avocato (English)
Taro's best friend and a crossdresser.
Yuuno's best friend.
Voiced by: Rie Tanaka
(Japanese), Genevieve Simmons (English)
The school nurse and perhaps the only faculty Mio can get along with very well.
A second-year, president of the Inventors' Club and an all-around genius.
Noa's pedophilic admirer.
- Berserk Button: The very idea of Noa growing up.
- Lolicon: Yukinojo is this trope cranked up several notches.
A Model who is the main reason why shy girl Yunno Does Not Like Men