A man named Hinako Mori has been married for some time but her husband works too much and rarely comes home, leaving her unsatisfied sexually. One day, she catches her stepfather masturbating while he takes a nap. An oral fixation, Hinako can't resist sucking him off despite knowing it's wrong. Desiring children, she then begs him to impregnate her instead of her husband... *The contents may vary depending on the distribution method.