Guy Gets Surprised by How Hot His New Sister Looks

She arrives for the family vacation and he cannot stop checking her out from the moment he sees her. He creeps into the bathroom while she showers and convinces her to let him join feeling up her plump ass under the water. They sneak to the bedroom where he fucks her deep trying to keep her from screaming too loud before pulling out and covering her face. Now they have crossed the line and become way more than just family.