Yumeko is shown to be a very upbeat and charismatic character, consistently attracting the affection or interest of those around her. Not only is she able to befriend those who previously disliked her, she is able to catch the attention of the entire student body. She does just that on her very first day of school and manages to continue doing so on nearly a daily basis. Every time she notices an opponent cheating in games, her button gets switched to a bloodthirsty side of her,(anime kagegurui)