In the dim light of the closet, Michelle's eyes widen as she takes in her brother's monstrous cock. She's always known he was special, but this... this is something else. She can't resist the urge to touch it, to feel it pulse in her hand. Her brother, despite his initial shock, doesn't stop her. Instead, he leans into her touch, his body tensing as she strokes him. Their breath comes in ragged gasps, their hearts pounding in sync as they cross the line into the forbidden.