She's Nicol's sister, and he's protective of her—that relationship matters a lot to her story. The white hair, pale skin, and red eyes combo made people treat her pretty badly growing up; plenty of folks called her cursed or worse. But Katrina came into her life and changed things by bonding with her over books. That friendship basically saved her confidence. Oh, and she's got magical abilities too, which is another layer to her character.
Content compiled by AnimeList.moe from publicly available sources.
