"What are you doing?!" Saki was taken aback when her son Yuuta cornered her. Yuuta, aroused by watching Saki masturbate, offered to comfort her, saying, "If you're lonely, I'll take care of you." Saki knew this was unacceptable. As a mother, she tried to stop Yuuta's reckless behavior. However, her body, consumed by intense sexual frustration, reacted to his passionate touch... Caught between her maternal instincts and her primal urges, Saki's heart wavered.