By day, Jeanne works as a mild-mannered high school teacher, but by night, she dons the mask and identity of Cutie J! Using an Umbral battle uniform that’s able to repel any attack, she becomes a vigilante who works to defend her students and her city. Her weapon in this crusade is the crimson blade, Bloody Moon, an ancient weapon that summons demonic power in the form of a beam saber.