Bondage and discipline of a wife: A sickly wife cheats on her with a renowned doctor who is a pervert. The body groans in pain during anal development despite the wife's lack of resistance. (Nenami Yui, GMA-087)

Yui lives with her husband. Frail and ill, she is examined by Associate Professor Sagawa, a renowned doctor at the university hospital where her husband works. However, unknowingly, she and the associate professor begin an illicit affair. Although her condition has improved considerably, she continues the affair, keeping it a secret from her husband. The two gradually become addicted to severe forms of torture involving ropes and candles. One day, as usual, after her husband leaves, Yui greets Sagawa at home. But that day, Sagawa's demeanor is different…