Yukina and her husband, who live next door, are clearly the ideal couple to aspire to. They are still very much in love. Yukina is reliable and good at housework, and her husband is handsome and works hard at his job. But they also cherish their time together as a couple. Isn't this relationship too ideal? But there's one thing that bothers me. What is their sexual situation like? Is there something incredibly pleasurable that they don't seem to be doing...