When KANBi exclusive actress "Rumi Orikasa" awakens to a new pleasure... - In her happy newlywed life with her husband, who is a year apart, she is worried about her night life. - Perhaps because of her age, her husband's penis dries up easily, and her mind and body are unsatisfied every day. - At that time, a gorgeous pair of underwear was placed in my room. - The next moment she happily puts on the underwear, thinking it was a present from her husband, her husband's stepchild, Shinya, suddenly visits her room and sees her wearing it, revealing that the underwear belongs to him. - Even as she resists the outrageous behavior, she is reminded of the joy she had as a woman as a result of the erection of his cock, which is incomparably more brave than that of her husband's. - From that day on, a distorted love triangle is built, and a new life of immorality begins...