As the door clicks shut behind them, the siblings huddle together for comfort. Their bodies press close, hearts pounding in sync. Michelle's breath hitches as her brother's hand inadvertently grazes her breast. He freezes, but she leans into the touch, her nipples hardening. She can feel his cock stiffening against her thigh, and she knows he can feel her wetness seeping through her panties. They lock eyes, the unspoken question hanging in the air. With a trembling hand, Michelle reaches out, wrapping her fingers around his thick shaft. He groans softly, his hips jerking forward. Their inhibitions crumble as they give in to their forbidden desires, their bodies entwined in a dance of lust and longing.