Stiles thought he couldn't be turned on again because he had just come twice at Derek's hands but arousal bubbled in his gut when Derek came over and tugged his shirt up, the werewolf's hands sliding against his skin underneath.
Stiles licked his lips and looked at Derek with a little bit of wonder. "Ya? You would be ok with me joining you? You aren't getting sick of me yet?" Stiles asked his voice soft and unsure but he pressed his torso against Derek's hand.