Elfriede the Exterminator 3

is the third volume of the Elfriede the Exterminator light novel series, written by Akaneya Matsuri and Illustrated by Mamuru. It was released under the Dengeki Bunko Imprint in May 2014.

Synopsis
And to the decisive battle of fate. Win a fleet battle and seize the future of humanity!

The director of the Warship Academy, Burghardt, gives a ruthless order to the members of the Yoshioka fleet who have been injured in the battle with the angels. In the midst of passing and clashing with the fleet members who have their own circumstances, the situation goes in the worst direction. In order to protect the future of humankind from the invasion of enemies that will bring about the end of the world, and to protect the whereabouts of our friends and ourselves, Yoshioka and Elfriede will challenge the fateful decisive battle "Great Referee"! Akaneya Matsuri presents youth school battle story!

(source: Bookwalker JP - Translated)