"Ahhhhhhhh...." It was a sound of utter relief, though he did wince in pain. He hadn't been expecting for John to push in all the way. He had opened him up enough that he was well stretched, but John was thicker than average, and his formerly virgin hole still stretched around him.

Sherlock was absolutely at the mercy of John, and he loved it. The couch shook under them and Sherlock desperately tried to work a hand underneath his body to try to give his cock some relief. His pajama bottoms were moist with his pre-come and stretched in the front, he was so damn hard.