Four couples change partners and enjoy the shame and pleasure of being violently inserted in front of their husband and wife with another person's erection. If you shift the pants of the husband on the other side, the erection will pop out and the excitement will not stop even though it is pounding. When my husband and the wife of the other side insert it up close, I can see it up close, and when I see it, my husband's erection is excited and it is pierced by others ...