their lips overlap intensely, and their tongues entwine without caring if saliva mixes. the relationship between the two, who are completely absorbed in sex, is a secret relationship that must never be revealed: the senior's wife and the senior's junior. the senior's wife, Nana Mi, has a good relationship with her senior, Kota, and the senior's junior, Shinichi, is also married and has a happy life. the two, who have excellent physical compatibility, have no intention of stopping this relationship. because it's forbidden, the immediate sex w affair burns!