Yatsuhashi Miyako is a diligent class rep while the girl who sits next to her, Miyakonojou Reika, was discovered to not be wearing panties. Will Miyako be able to reform Reika into a normal high school girl?!

Souichi Kirisaki, who teaches at a private middle school, has a problem. Three of his students, Senka Yutugami, Yuki Kitsuregawa, and Momoka Watarase, make fun of him. Souichi wants to be friends with them, but...

She was a tomboy... big emphasis on "WAS". When he meets his childhood friend again, the one he thought was a boy, he discovers that she was actually a girl, who has grown up to become a beautiful young woman...