Deeply in love couples swap partners in public, an act considered illicit. First wife-swapping incident: SCPX-451

Married women gathered together and planned to swap husbands. After the husbands returned home, one of the wives' friends seduced them by showing off her underwear. Her erection aroused the wife, and the two couples engaged in sexual intercourse in front of others. One woman's mouth was occupied by her husband's penis, while another woman's penis was thrusting into her vagina…