A 60th birthday couple on a full-moon trip to Hokkaido is skillfully invited to have sex with a middle-aged couple who love swapping, and a beautiful mature woman, and they are intrigued and participate in the hopes of regaining the spring they had forgotten. - The 60-year-old wife was confused by the elaborate cosplay couple-swapping sex, but a mature stranger played with her butthole and impaled her with a large, hard cock, making her cum over and over again.