Yumi Narusaki, a 50-year-old health supplement sales manager, has finally allowed creampie sex! And it's been 20 years since she last did it! On a day trip to a hot spring, she enjoys her favorite group sex and has her first creampie with someone other than her husband. As soon as she arrives, she goes wild in a POV video, and in the open-air bath, two young men play with her body and she climaxes! At the end, she's with four men... Who would have thought that a woman full of maternal love would suddenly turn so lewd...?!