As their father's voice echoes from outside, the siblings cling to each other for support. Michelle's hands tremble as she reaches out, gently tracing the outline of her stepbrother's cock. He gasps, his hips jerking forward. Their bodies press together, the friction igniting a fire that consumes all rational thought. In the dim light, they lose themselves in a dance of taboo lust, their moans muffled by the closet door.