Since his wife has made arrangements to give birth at a hospital near her parents' home, she's away for a "return home childbirth." The busy young husband, finding himself alone for a while, chuckles at the thought of enjoying some carefree time. One day, his wife's friend, Mirai, comes to visit. It turns out she came to help with housework and errands because she knows his wife is away and things must be hectic. Though embarrassed, the husband can't help but be drawn to Mirai's youthful and voluptuous figure... Note: The content may vary depending on the distribution method.
