Tomoda Junpei

He is a boy who lives up to his nickname of "one-punch boy. He likes to go out and about, which is probably why he is so tanned when he takes off his clothes. He is a bit childish, but he also hangs out with Kazuko and the girls in Yuki's group.

His personality is cheerful and a bit short-tempered. He is the type of good-natured kid you would expect to find at least one in your class. He has a funny way of talking and acting, and Kazuko plays with him.

He is not that popular with girls. He has a tendency to be easily infatuated. He is very knowledgeable about sex for some reason. Kazuko think of him as "stupid and lecherous"