He flicked his wrist one final time, and Bruce climaxed loudly, white spurting over Tony's palm and on to the bed sheets below.
Stepping back, Tony admired his handiwork. Bruce was sated and strung out, quite literally, across the largest bed Tony Stark could offer, his lips red from biting down and his hair messy from where Tony had ran his hands through it as he lay helpless, his wrists fastened to the headboard.
Tony purposely lifted his hand to his mouth, and sucked the come from a single finger, not taking his eyes off of Bruce's for a second.