Hidden away in their shared closet, siblings indulge in a secret game. 'What if I touch you here?' she whispers, her fingers brushing against his hardening bulge. He swallows, 'We shouldn't,' but his body betrays him, yearning for her touch. She unzips his pants, taking his cock out, feeling its heat. He gasps as she strokes him, his hips bucking slightly. 'We're just playing,' she says, but their breaths grow ragged, their bodies aching for more, pushing them closer to the edge of no return.