The protagonist, Kosuke, leads a modest, ordinary life with his kind, devoted, and beautiful wife, Haruka. He wondered if he no longer had the same exciting feelings for his wife that he had when they were first married.

At that time, his neighbor Kimoto, who had injured himself, He is approached to ask his wife to help him with his injured life. However, what Kousuke saw there was an ugly neighbour. It was the image of a wife who was being hammered by a carnal pole with lust....

Kosuke was immorally aroused by the sight of his wife being raped by a stranger. From that day on, he would spend his days eavesdropping on his wife as she performed sexual services for their neighbor.

But in the process, his wife begins to change....