A historical documentary that summarizes videos of Showa and Heisei couple exchanges, family orgies, and mature woman orgies, where swapping and orgy caused a secret boom. There are plenty of shameful orgies and couple exchanges exposed by 38 men and women such as couples, couples, and swap enthusiasts. Various couple exchanges, circles, orgy, etc. that were planned and executed to eliminate the sexual frustration of married women in their 20s to 30s, mature women in their 40s to 50s, and senior women who have passed the 60th birthday. Eight volumes that recorded the above are recorded.
