A married woman named Kimi lived happily with her husband and son. The only thing that bothered Kimi was the softness of her husband's crotch. One day, she accidentally saw her son's crotch. Unlike her husband, it seemed hard. From that day on, Kimi became obsessed with her son's crotch. Eventually, Kimi reached out and touched her son's crotch. Her son, who had a vague sense of his mother's actions, took an unexpected move...
