Sitting behind her also gives him the advantage of position - with her wings hidden, he has an easier time pressing his chest up against her back, cupping around the front with his hands to tease her breasts, fingertips toying at her nipples.

His mouth he focuses at the curve of her neck where it meets her shoulder, sucking gently and licking with his tongue.

He is making an effort to be distracting, unabashedly so.