Synopsis

Aliens called Savages are attacking Earth, and humanity's only real weapon against them is a cutting-edge technology called "Hundred." Hayato Kisaragi survived one of these attacks and turns out to have an exceptional natural affinity for the Hundred system—better than basically anyone else. Because of this, he gets recruited to an elite military academy called Little Garden, which operates aboard a massive battleship. As Hayato trains to fight the Savages threatening Earth, he quickly catches the attention of several girls at the academy. Between his training sessions and actual combat encounters with the aliens, he keeps getting caught up in various incidents and complications.

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Genres