Miho retired after getting married and is now a full-time housewife. Her husband, Kentaro, is number one in sales and things seem to be going well at first glance, but her sex life has fallen into a rut and conversations at home are decreasing. At that time, Kentaro's boss, Tooru, who is divorced, remarries Mao, who is two years younger than him. When Kentaro is tired of Oruni boasting about his wife, Tooru invites him to come to her house as he and his wife have not been feeling well lately... On the night of the invitation, the couple experiences mutual NTR. I can't stop being excited about this first experience in my life...! ! And this time, the four of us will have a creampie orgy...