Two sisters, driven by curiosity and hormonal urges, sneak into their brother's room, finding him asleep with his erect cock tenting his pajamas. They exchange a look, a silent agreement, and carefully pull down his pants, revealing his throbbing member. They take turns exploring it with their hands and mouths, their inhibitions melting away as they give in to their forbidden desires, their moans filling the room as they take turns riding him.