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description Gate Keepers 21 Overview
Thirty-two years have passed since the initial defeat of the Invaders. A.E.G.I.S is all but dismantled now and has become an underground organization consisting of only a few Gate Keepers left to save humanity. One of the members, Ayane Isuzu, is sick of society as a whole, though she continues to defeat the Invaders out of spite for her father. Suddenly, she learns of the revival of Machine General (Kikai Shogun) and Devil Count (Akuma Hakushaku), but a mysterious ghost girl now accompanies the...
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What is Gate Keepers 21?
Thirty-two years have passed since the initial defeat of the Invaders. A.E.G.I.S is all but dismantled now and has become an underground organization consisting of only a few Gate Keepers left to save humanity. One of the members, Ayane Isuzu, is sick of society as a whole, though she continues to defeat the Invaders out of spite for her father. Suddenly, she learns of the revival of Machine General (Kikai Shogun) and Devil Count (Akuma Hakushaku), but a mysterious ghost girl now accompanies the...
How good is Gate Keepers 21?
Gate Keepers 21 scores 6.7/10 (Fair) on Lunoo, making it rated in the Anime category.
What are the best alternatives to Gate Keepers 21?
See our alternatives page for Gate Keepers 21 for a ranked list with scores. Top alternatives include: Mobile Suit Gundam: The Witch from Mercury, Code Geass: Lelouch of the Rebellion R2, 86 (Eighty-Six).
How does Gate Keepers 21 compare to Mobile Suit Gundam: The Witch from Mercury?
See our detailed comparison of Gate Keepers 21 vs Mobile Suit Gundam: The Witch from Mercury with scores, features, and an AI-powered verdict.
Is Gate Keepers 21 worth it in 2026?
With a score of 6.7/10, Gate Keepers 21 is a solid option in Anime. See all Anime ranked.
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