"Nnnng.." He wanted to answer, but he was rendered speechless, watching John both use his tail on himself and stroke himself. He wanted that.. to know that John's tail was inside of himself while John was rogering him, slamming that giant length in him, over and over.

Well, that was doing it, he was almost hard already. That hadn't taken long, but when you are watching your lover please himself two different ways while telling you all the filthy things that he wants to do to you, well.. that's a bit of a given.

"Yesss..." Sherlock was able to barely hiss, while he started to touch himself as well. He wanted to be Sir's good boy, let his friends use him while John watched him swallow and be covered in them, sticky and used and wrecked and debauched, a plaything for Sir and his friends.