I'm asking what this is, I ... !!" On the bed in my room, it's messed up like a public execution Erotic books and AV ... Moreover, it's a thing for SM play lovers. It's a fuss about being tied up, being beaten with a whip, or being muzzled. "Why is it SM !?" Saki is angry in front of me. She is my student and she. She was trembling as she was finally beaten ... and Saki somehow offered a towel to my nose. Instead of her fist, a towel ... What kind of pain will she have in the future? After glaring at me, who was throbbing, Saki collapsed onto the bed. "Don't do it ... tied up with that towel ... !!" ...... What? Um ... what? what?? Saki suddenly took a strange stance, she turned bright red and she ordered. "You wanted to do something like this !? About me, tie it up, and have sex ... !!