Cosette

Summary
One of Lizelotte's maids, she works for her as chamberlain and as her personal bodyguard, there's a draw between her and Natalie as the second strongest of Lizelotte's maids, she already worked for Lizelotte when Rio was framed since when exactly she has worked for them is unknown, famous between her coworkers as good at analizing people and at drawing advantageous conditions from the Rikka firm's customers she makes deals with.

After seeing Rio's battle at the end of volume 6 she would begin to try to shorteneing her distance with him and dating Rio would become her goal, but until now all of her attemps were fruitless and just for the sake of the comedy.

Personality
Sociable and cheerful, good at understanding the limits between men and women and at analyzing people.

Relationship
Liselotte Cretia: her employer.

Aria Gavaness: her coworker and leader.

Natalie: her coworker and friend/hater.

Chloe: her kouhai.

Amakawa Haruto: her crush.

Ability
She possess combat training on par with knight, a halberd user well able of defeating one on one a revenant with relative ease.