Kana Kojima is one of the main characters in the anime series 'Nande Koko ni Sensei ga!'. She is a high school teacher known for her strict demeanor and serious attitude in the classroom. However, outside of her professional role, she often finds herself in comedic and awkward situations, usually involving her student, Ichirou Satou. Despite her stern appearance, Kana is kind-hearted and cares deeply for her students. Her character drives much of the humor and romantic tension in the series, as she tries to maintain her authoritative facade while dealing with increasingly absurd scenarios.