Blood Eyes: Hokkaido Zettai Bouei Sensen

is the first volume of the Blood Eyes light novel series, written by Akaneya Matsuri and Illustrated by Shiromiso. It was released under the Dengeki Bunko Imprint in February 2016.

Synopsis
On that day, Hokkaido became a closed area. Tension panic survival action! Hokkaido, which lost its sun due to sudden simultaneous eruptions, became a dangerous zone where wild animals that became ferocious due to the biohazard that occurred at the same time became scared. The rescue of the Self-Defense Forces was also refused, and it was the members of the hunter platoon , a high school student gathered by the private company , to defend the closed area of Hokkaido. Chikage Munakata, whose family was killed by a beast when he was young, becomes a member of a hunting platoon to take revenge and confronts the attacking mad beast. The battle for the survival of Hokkaido is about to begin.

(source: Dengeki Bunko Official Website - Translated)