A busty married woman who is dissatisfied with her nighttime affair was so erotic! She came to relax her mind and body in a mixed bath hot spring where she gets excited by the cocks of someone other than her husband, and cums in the room with the moans that the next door can hear!!!

A hot spring inn where big-breasted married women gather for some reason. A married woman travels alone due to an outbreak of dissatisfaction at home. Married women leave their husbands away and come with friends from their school days. Several couples from a mysterious gathering. The busty married women, who are usually stressed and frustrated, come to the museum to heal their minds and bodies, and are open to the hot springs effect. Her hot bodies turn into a runaway busty train in front of the cocks of other than their husbands!!