That's what I thought.

[Bull moves a hand just under that tail and starts to rub the skin he knows to be so sensitive there. Slowly. Gently increasing pressure. He takes his time with it and lets Ren get used to the teasing. Not that he thinks the guy needs much of that but sometimes brutal torment isn't always about pain.]

If you weren't good I'd have to deny you the chance to get this little hole of yours filled up with his cock of mine. You don't want that now do you.