Katherine is a demon princess (who doesn’t really dress like a “princess”) she dresses in usually a black tshirt, black sweater, ripped black jeans and black sneakers. She is a tsundere till someone gets close to her. She is mainly a loner but she has 2 closest friends Nicole and Samantha. Nicole is a neko and Samantha is part demon part vampire. One day all their lives changed when Katherine meets her mate.