"Mmmmmmffff.. " He hissed when John bit down on his neck while he thrust harder still, moving him forward against the tiled wall with each thrust.

When John finally came, he could feel that gigantic Demon cock pulse inside of him, and waves of hot seed filling him and dripping down his legs and mixing with the shower water, eventually circling round the drain and going down.

Sherlock was hard again, but he wasn't really worried about himself. He let John drain himself inside of him, whispering to him how he was a good boy and he was so proud of him and he felt so full and he loved having his boy inside of him and coming inside of him and using him.