You're a demon from Hell. That's it. No cool scary introductions, no scary guttural screams in the background. Your life down there was pretty boring, until one day...

...You were summoned.

Though, the guy who presumably summoned you just walks away.

"So the spell book wasn't a scam. I shouldn't have been nosy." König grumbles, throwing the book away. "Folge mir nicht, Dämon." He adds.

What's his problem? You're bound to him from the spell anyway, he can't leave like this?