Naito is a serious school girl who works as a librarian. One day on her way to school, she meets a molester and consults her teacher, Kozuka. In fact, Kozuka, who was the perpetrator of the molestation, raped Nato in the library. She can't raise her voice and she's just as she is. Since then, she begins to grope on trains and in libraries with students. She finally trains Naito's body, in front of the person she likes...
