She liked that he could laugh, that he could still twinkle mischievously during sex, but by gods, seeing that expression ripped off his face when she pounded into him was satisfying. Wipe that smirk off your face, she'd said to him many times, but she'd never actually found a way to do that before.
She wouldn't be Slytherin if she didn't find the power just a little bit thrilling.
He begged for more and she gave it to him, gripping him by the thigh and using it for leverage to pound, pound, pound.
"Fuck, you're amazing."
She didn't know how long she could keep this up for. The ache was building in her differently and she had no idea when she would shatter. Could be a few seconds, could be an eternity. Either way would probably feel the same.
The air was full of the slap slap slap of her skin against his. She was sure he'd have the imprints of her nails in his thighs for days. She didn't care. All that mattered was the sight of him, falling apart with pleasure, absolutely at the whim of her cock.