MDVIJ-031 · Couple Swap: Horny Couples Going Wild at a Hot Spring Inn

Watching your own wife be fucked and reach climax right before your eyes, while you fuck the wife of the man who is fucking your wife. An unbelievable, perverted orgy of sex. Swapping, a practice since the Showa era, is used by four couples to break their rut by exchanging partners and engaging in an intense orgy.