Sherlock continued to thrust until there was no more left inside of him. He pulled out, a steady stream of come came with it, because he was still so open, it just slid right back out.

Well, so much for getting him pregnant this time. Sherlock thought with a little smile. There would be others. He wasn't terribly upset about it. And besides, it was pretty sexy seeing John leak his seed out of his arse.

"Such a good boy." He crooned, turning John around in the spray to kiss him deeply. "Now. do you want your second reward?" He asked. "I know you must want to come really badly, don't you?
He reached down and gave John's cock a little stroke.

"You know what you need to do, my sweet Demon boy. " God, just looking at that giant Demon cock could almost make him hard again.

Almost. He was still pretty spent after that fisting and fucking session.