52-year-old Ritsuko and 56-year-old Kaori, who are traveling, spend a crazy night in an indoor bath or detached room at a secluded hot spring inn with young people they met on their trip. Ritsuko goes crazy with a pseudo-mother-child intercourse by superimposing the image of her son-in-law who died suddenly on a young man. Kaori of super milk asks for insertion every time she finishes playing with a young man who is good at sex, and indulges in greedy intercourse. The secret love affairs of six mature women in their 50s and 60s give courage and vitality to mature men and women.
