Think About It
"You and your cats," Ciel grumbled after ordering Sebastian away from yet another tabby that was distracting the demon butler. "So in love with them, I wouldn't be surprised to find out you're committing bestiality with them nightly while I sleep!"
Sebastian stopped looking longingly at the kitty, and smirked at his master... a particular smirk that Ciel had learned to dread. But knowing that if he didn't ask, the smirk would remain for days, he said flatly, "What."
"Has my master forgotten that I am actually a different species than human? For demons, all sex is bestiality," Sebastian purred.