Marriage decided by parents. Every day to repair even a good wife. Happy but boring daily life smokes Miho's libido. Recalling the days of being trained, even self-bondage masturbation is not satisfied. Miho who can not stand it goes to see a man who is also a former lover and a trainer. "Please make me your guy. Please. I'll do anything." This work is based on the actual experience of a genuine M girl who is trained by "Bondage Master: Doyama Iron Heart".