NTR with internal ejaculation, partner swapping under the guise of couples swapping, TPIN-103

Three couples stepped into a forbidden world of partner swapping from which there was no turning back. Embraced by other men before their husbands' eyes, their beloved wives blossomed so wantonly?! The jealousy that welled up within them transformed into a frenzied excitement, even guilt becoming the ultimate seasoning. Reason gradually melted away, and the lewd nature of these loving wives was revealed in the mire of pleasure. There, you'll find expressions and climaxes of wives you never knew existed. No one could stop them now; this was an extreme yet sweet record of a couple-swapping game.