A woman named Saki has been married for two years while her husband works away from home. She takes care of his stepchild when he's not around. Frustrated by her lack of intimacy with her husband and overflowing sexual desires, she sees the child masturbating one day and can't resist sucking him off, crossing a line. Additionally, she longs for a child and begs the stepchild to impregnate her instead... *The contents may vary depending on the distribution method.