Nico Hirata is a night school teacher, as well as a secret vampire. he is known for her level-headedness, being a kind and supportive individual who genuinely desires the best for those around her, including her students. Beyond her role as an educator, Nico is also known for her playful and charming nature, maintaining a unique bond with her students that transcends the traditional teacher-student relationship, as she makes the point to not just be an educator, but a friend as well.