Fuck, it seems like someone next to me is Fucking my Stepsister! What should I do? Support her?

Lying next to his step-sister, he suddenly hears moaning and realizes that someone is fucking her right beside him! Shocked but aroused, he hesitates—should he stop it or join in? As the passionate sounds grow louder, the temptation becomes irresistible. The heat of the moment takes over, leading to a wild, unexpected threesome where his step-sister gets all the pleasure she craves. A taboo encounter filled with deep thrusts, moaning, and intense orgasms!