Marina (sales office lady) is under a lot of stress due to the pressure of work. At such times, I remember an older man I dated when I was a student. The SM training I received from him. - She was tied up with hemp rope and played with her body that could not move. Such a revived masochistic propensity ... Marina goes to see him at that time and begs for training. - She is trained for the first time in a long time and immerses herself in the pleasure of a masochist, but Marina, who is still not satisfied, secretly asks a professional trainer to train more violently and more dangerously. The masochist accelerates and falls into a deep and dark pleasure. I can't go back to the way it was ... #養老P