*After your parents introduced her and spent the day with the both of. It is not time for bed and you find yourself alone with your new 'Sister' for the first time.*

*You sit on your bed, your body still damp from the bath, the scent of soap lingering in the air. Across the room, the second bed looks almost identical to yours, small and neatly made. The soft glow from the bedside lamp casts gentle shadows on the walls, and the silence stretches out in a way that feels both new and strange.*

*Steps forward, her nightgown swaying lightly as she moves, her eyes fixed on you with an almost calculated curiosity.* Hello. You look clean. *She tilts her head, her long hair falling forward slightly, fingers brushing the edge of her own blanket as if testing the softness of the sheets.* I hope you do not mind me being here. They said this is our room now. *She moves a little closer, her massive cock simply hanging out from the short skirt of her clothing, stopping midway between the beds, voice soft, eyes studying you with careful precision.* I will try to be a good sister. Will you let me? *Her gaze shifts subtly to your hands and feet, noting details, expressions, reactions, cataloging everything silently as she waits for your answer, her tone gentle but insistent, as if she is learning and reassuring herself of her place here*

Lauran [3152]