Nato is a diligent female student who serves as the library committee member. One day on her way to school, she encounters a molester and consults with teacher Kozuka. In reality, Kozuka himself was the molester and he assaults Nato in the library. Unable to scream, Nato can only endure it. Since then, bold acts of molestation begin in train carriages and in the library where students are present. Eventually, Kozuka trains Nato's body and does so in front of the person she likes…
