Cosette

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 shortening her distance with him and dating Rio would become her goal, but until now all of her attempts were fruitless and just for the sake of the comedy.