Niko Kanzaki
    Niko Kanzaki
    Other names: Niko-chan

    A poor girl who lives with her brother (Atchan Kanzaki). Desperate for money, her brother applies for a job at St Lunatic High School and (for reasons unknown) not only does he get the job, but Niko is allowed to inroll into the night class. Unfortunately, the night classes are for demons.