A kind husband that everyone envies...a life filled with love and fulfilment from her husband. However, his wife, Mitsuki, is having an affair with Kyohei, the husband of an acquaintance. As she sees her husband off to work, Kyohei comes over. She also has a wife. When they are alone, they want to forget about each other's husband and wife. However, every time Mitsuki feels her husband's love and the presence of Kyohei's wife, she prepares herself to "end this...", but the more she thinks about breaking up, the more her lustful body throbs and craves Kyohei's cock...