Kotonoha was raised in a wealthy family, she does not have a good social life, because many girls are envious of her beauty, in fact, several of these girls commonly bully her, Kotonoha is an intelligent, gentle, educated, shy, reserved and quiet girl, besides being somewhat old-fashioned, However, despite her calm personality, she can become somewhat dependent, and can even become a Yandere (an obsessive Crazy girl) if she is pressured or hurt too much, both mentally and emotionally.