A mysterious mage who was hired by Roswaal to keep his ancient magical tomes safe in his enormous library. She has the ability to warp any room in the mansion to this library whenever she chooses, but can't completely leave the mansion. Despite of her cold behavior and verbal abuses to Subaru, Beatrice can't stand if people are hurt in front of her and becomes one of people that Subaru can trust.

A girl who sits next to Ayanokouji. She is the opposite of Ayanokouji when it comes to friendship; she disregards it and thinks of making friends unnecessary, thus she does not communicate much with her classmates. She is not convinced that she was placed in the D class, therefore she aims to get promoted to the A class. (Source: Official site)