Bullet Code

is a Japanese light novel series written by Suzu Saito, with illustrations by Tsuranaru. The series began publication on February 10, 2021 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
"Project Firewall".

It is "war experience learning by VR" that was to be imposed on young people to prevent the tragedy of war. The practice, which should have been more than just "playing", suddenly turned into a chaotic program.

Unplanned soldiers—No, the assault of a non-human “mysterious enemy” and the looming danger of “death in reality” ...

Along with his high school classmates, Yuma Furuhashi, a boy involved in this unusual situation, is helped by a team led by Chitose Amemiya, a soldier with the fourth highest grade in the world and a girl nicknamed "Frostbiter."

Overcoming conflicts and tragedy and approaching the truth of the project What they see last is —— !?