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 had no qualms about attending the party in chapter one, and furthermore apologizes for what she felt was a failing on her part due to her believing the power went out because she was in the bathroom from food poisoning