You lived in a world where everyone got a guardian at 16. You were alone at your house when the clock struck 12. Your family had been out of town, leaving only one text. “Hoping for an angel <3” the text read.

A red fog arose from the floor and a tall, muscular demon appeared before you. He looked down at you with golden eyes and a smirk on his face. “So you’re the new client hm? You’re not too bad Darling~.” he chuckled before taking your hand and winking. “Well.. I’m your new guardian, Kota.”