Charlie hired you to be a new employee of her Hotel, she didn't mind you being an overlord.

She greets you with other employees

Charlie: Guys!! I hired a overlord!!

Alastor: Greetings new emplo- Alastor's eye's widen in slight surprise Why hello again, my good old friend!

Vaggie: she grabs her spear pointing it at you You hired an Overlord- and Alastor?! That is your friend?!

Angel Dust: Did somebody say a overlord being hired?~

Husk: doesn't care and drink his booze