Natsumi, who recently remarried, begins living with her stepsons. Beautiful, kind, and possessing a stunning figure, she gets along peacefully with the boys, who have no complaints. However, a problem arises—her skirt is so sheer that her underwear shows through clearly. Unconcerned about this, Natsumi continues her daily life as usual. Unable to restrain themselves any longer, the brothers start greedily touching their stepmother's body, gradually becoming captivated by her warmth and allure.