This documentary features 8 superb erotic sex parties that were recorded between 2009 and 2015, and feature 34 Amateur married couples and couples engaged in orgies in hot springs and brothels across the country! From married mature women who discovered the sensuality of sex in their 30s and 40s, to wives who tear up 50 tatami mats, to over 60 who don't get wet but know all the mysteries of sex, these extremely obscene erotic videos show mature wives climaxing in front of their husbands at swapping parties!