do you know why he's called buffalo bill?

Sitri listened his red eyes gleaming he thought he could worship this black bear named sos. He fit in with his former life style well. Sitri alway had blood somewhere on him usually around his muzzle whether it was prey or foe it depended but it was always there. " i follow sos too? He was curious is that what he was to do or was it his choice and if it was he would do it anyway because the dark one he liked him maybe he was the voices always in his head "is he the voices in my head?

Sitri bowed his head "I just wish to serve the demon queen. You may cut my heart out if it pleases you if I disobey. Sitri will not challenge this. Do I serve you too you are demon king?