Momoko visits the boarding house of her son, Yuta, who has left home to attend college. Momoko is relieved that her housemates Goto and Tanabe are nice young men, so she decides to treat them to dinner while Yuta is away working part-time. Their desire was aroused by Momoko's charm and her ease of being carried away, and they invited her to ``Let's play a king game,'' and with their skillful words, they pushed her down and fucked her body as they pleased... . Momoko, who could no longer resist the pleasure she hadn't felt in a long time, dismissed it as a one-time mistake, but there was no way she could stop them once they had taken over her taste...