Stiles groaned into the kiss, their first kiss, as he tasted Derek for the first time. He sucked on the werewolf's tongue eagerly taking in the taste of his own come into his mouth. The teen's hand tightened their grip on Derek's arms when he heard the quite groan and the shudder that ran through the werewolf. Stiles wasn't the only one that had just gotten off.
The younger male pulled away, cheeks flushed and panting, and looking at Derek with wide eyes. "I..."