お前の旦那だって俺の妻を奪ったんだから、いいだろう？ ～復讐のネトリ～

The days I thought were happy were all a lie.

"You feel so much better than him...!"
"W-What?!"

One night, Tamiya Muneharu discovers his beloved wife's affair. Moreover, her lover is a man who is also a close friend of his. He is the husband of the Sasatani couple, who live next door to the Tamiyas.

Determined to seek revenge, Muneharu decides that a simple divorce would only bring joy to that unfaithful man. Instead, he sets his sights on the wife of the Sasatani couple.