"I'm properly focused, Mr Stark," she retorted, moving back slightly to push his pants down, crouching to follow their progress until he was properly undressed.

She looked up at him, a grin like the cat who caught the canary, and slowly pressed a kiss to the outside of one of his thighs before she straightened back up. She pushed up on her tip toes, taking one of his hands in each of hers and putting them on her hips and replacing her hands around his neck. "What's my grade?"