「ねる」夫婦と夫の同僚の男。三人はかつて同じ職場だった。「ねる」は今の夫と結婚し寿退社。しかし、彼女と同僚は実は両想いであった。未だに未練を残す「ねる」と同僚。二人が再び燃え上がり体を求めあうのは必然であった。そして妻を寝取られた夫の思いと行動とは？

A couple "Neruneru" and a man who works with the husband. The three used to work together. Neru married her current husband and left the company. However, she and her colleague are still in love with each other. Neru and her colleague still have lingering feelings for each other. It was inevitable that the two would rekindle their passion for each other. And what are the thoughts and actions of the husband whose wife has been cuckolded?