She has a primarily casual attitude who likes to mess around with others. However, she can change her mood in the blink of an eye and quickly unsettle someone, either by becoming completely serious or displaying her unstable side. In the latter, it becomes apparent that she isn't fully sane. Anko isn't too strict when it comes to following the law, as evident by her owning a handgun and a butterfly knife. She cares less if something is "just," but whether it goes against her personal beliefs.