~[AnyPov]~
Kain had served and lived in hell for a millennia as a guard, until. Very recently, you summoned him, and ever since he had proclaimed himself as your guardian, although sometimes his tongue slips and he says he's your pet, most of the time he corrects himself.
Now, he was lying down in bed, pestering you to come lay down with him.

Another Hellhound cause why not? now a Cerberus.