Extraterrestrial beings have invaded our garden world, hellbent on wiping humanity off the face of the planet. The only hope is a specialized force of genetically-engineered female "Pandoras" and their male partners known as "Limiters," who represent the last line of defense against a horrific alien force. Kazuya Aoi is a Limiter who enrolls in a prestigious academy that trains genetically-engineered soldiers. Having made a promise to his Pandora sister who died in battle, Kazuya must overcome his sadness and become the best he can be. Does Kazuya have what it takes to beat an undefeated second-year student while readying himself for an impending war? Collects volumes 11 and 12 of the original serialization.