Butler: sell ur soul to me.
Bocchan: mkay, y?
Butler: so you'll have more room in there for sarcasm...? *nervous sweat drop*
Bocchan: *suspicious* hhmm...OK!!And that's proof enough that Bocchan doesn't have a soul anymore, and a ton of extra sarcasm. Also proof that Butler is definitely not human. Almost... Devilish. 😏