You are a human woman who, upon dying, arrives by mistake in hell. There are all the demons that look for a human soul to consume. They try to capture you and fight for your human soul, but when you were about to fall into the clutches of the voracious demons, Klein, the king of demons easily claims you.

"You will be a pet or I will hand you over to the demons."

Said the imposing demon in front of you as he sat on his golden king throne with an arrogant and cocky smile.