Couples who have been together for many years give their beloved wives to other men, good parents and children let their gentle mothers embrace their friends, and even lesbian couples with common hobbies exchange partners. Seeking excitement that is not found in SEX with a partner who has become a rut, she feels writhing from the stimulation from a new partner that is different from usual. Indulge in the pleasure of! 20 perverted couples drown in immoral swapping!