Couple swapping, mixed-gender hot spring trip; she gets her husband drunk and fucks him until he's satisfied! TNB-001

These two lustful husbands, wanting to have sex with each other's wives, secretly decided to go to a mixed-gender hot spring to swap wives and have sex with each other! Having sex with someone else's wife is a novel experience, a way to relieve the boredom of marital relations and gain unspeakable pleasure! They engage in orgy in the open-air bath, making joyful sounds! A couple exchanging partners in a world of debauchery!