The Ultimate Swordswoman. Peko initially appears to have a rather serious demeanor, expressing very little emotion. Due to this perceived aura, she often comes off as intimidating. Despite this, she is neither impolite nor an antisocial person though she dislikes being in a crowd. She comes off as cold but this isn’t because she means to. Rather than being emotionless, she simply doesn’t express much of her emotions. Due to being raised as a “tool” for the Kuzuryu clan, she believes herself to be less than human and that her sole purpose is to carry out Fuyuhiko’s wishes. While Fuyuhiko loves her as a person and doesn’t want her to think of herself as a tool, she interprets it as Fuyuhiko's hate of relying on his family’s power and therefore hating her along with it. This further fuels her desire to be useful to him, and to try to make him happy even if she claims that as a tool she has no will of her own. Peko has a kind heart, and cares deeply about Fuyuhiko but also cares about her classmates.