She lets him mount her

Bran started rubbing his crotch against her butt. With each moment, Arya felt his bulge getting bigger and bigger. As she bit her lip again, the girl didn't think it was possible that he could drive her crazy with even more desire between her thighs.

She was surprised when he turns and then lays on top of her. The Stark girl let him continue though, enjoying how his weight pinned her down.

Arya felt her brother kissing her neck and her ears. He pulled up the skirt of her nightgown, exposing her arse to the Northern cold. Still mounting her, Bran straightened himself lifting the weight off her back. Every muscle of her body squealed in excitement as she anticipated what he'd do next.

Something hard and hot slapped her behind. Was it his...? The girl had never realized how void her crotch was. Filling it was not something that Arya wanted to, she needed to.

Bran used his legs to spread hers. A strong grip grabbed her waist and pulled it up. With her face on the matress and her bare arse up, she felt exposed. The girl wondered if he was admiring her bottom...