Forbidden Fruit in the Closet

As the siblings huddle together in their secret space, the air thick with tension, the sister's hand trembles as she reaches out to stroke her brother's cock through his jeans. He lets out a low groan, his hips bucking slightly. She looks up at him, her eyes filled with a mix of fear and excitement, and whispers, "We shouldn't be doing this." But as her hand wraps around his shaft, they both know they've crossed a line, and there's no turning back.

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