Up until know the Invaders have been nameless faces. Who are these Invaders any ways? When paranormal frequencies register at the Gate Keepers’ own school, Shun and the rest are faced with the reality of their own situation.
It is in this horrible circumstance where the next Gate Keeper manifests their amazing ability; one that carries with it great power, yet brings about even greater sorrow.
Megumi Kurogane est une des élèves les plus brillantes de sa classe, mais elle n'accepte pas que Ruriko lui fasse de l'ombre. Quand leur professeur d'histoire se révèle être un envahisseur, Ruriko intervient, mais elle se retrouve en difficulté. Megumi va-t-elle aider sa rivale ?