The hero who became lonely for the rest of his life with his grandmother's death. It was a young lady of the same age who runs a girls' school who picked him up. With nowhere else to go, he ends up dressed in a girls'uniform and lives in a girls' dormitory. However, the young ladies who started living together are all unfortunate. I can't find my pants. I have to spend my time wearing no underwear today ... I'll prepare it right away! You can't go out as it is !? It should have been picked up, but I don't know which one is the owner ...!?