Female teacher is sexually tortured days...

That was a huge event in the midsummer sun. Summer vacation has begun, and there are faint lewd voices leaking out of the classroom where no one is supposed to be there. The true nature of the voice was Nogawa, a student, and Kayoko, a teacher. Kayoko, who is tied up with her clothes and is left with Nogawa's humiliation, continues to endure Nogawa's humiliation...