Gate Keepers - S01

Thirty-two years have passed since humanity first defeated the Invaders. A.E.G.I.S, once a powerful organization, has been reduced to a shadow of its former self, now operating underground with only a handful of Gate Keepers left to protect the world. Among them is Ayane Isuzu, who fights the Invaders more out of resentment toward her father than any sense of duty. When she discovers that the Machine General and Devil Count have returned, accompanied by an enigmatic ghost girl, Ayane and the last members of A.E.G.I.S must rally to stop them and defend humanity one more time.