23 year old female teacher, works in high school Kawanuma west, who is known as the demon kojima for many students, because of his intimidating attitude towards them But in reality, she is someone who is shy and clumsy despite being neat and taking her job as a teacher very seriously. As a high school student, Kana was shy and wore glasses and was inspired to become a teacher by a friend named Ichiro with whom she lost contact quite a while ago. Kojima does not contemplate love in his options.