|Japanese name:||南宮 那月|
|Nickname:||The Witch of the Void|
SpoilerShe is also an active attack mage and one of the few people who knows that Kojou is the 4th Progenitor.
She also assist Itogami Island Security with investigating crimes perpetrated by supernatural beings around Itogami Island.
She is actually the guard of the magical prison that houses the most dangerous supernatural criminals; her actual body is sealed deeply in the prison, while it's actually an illusion that appears as a teacher and mage.
Voiced by: Kanemoto Hisako