The Breaker

is a Japanese light novel series written by Yagi Uzuki, with illustrations by Nilitsu. The series began publication on May 10, 2014 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A mysterious man wearing an ugly human face and calling himself a "fearful face" occupies high school with more than 200 students hostage. The man who was called as a negotiator was a boy who was in prison for a serious crime.

The boy's name is Kanata. He was a "devil" who was sentenced to death for killing 64 detectives, as well as being responsible for the poisonous gas terrorism that claimed the lives of one million people.

A vicious siege criminal who kills hostages and imposes unnatural demands, and a ruthless demon who finds no value in the lives of others, engage in an intelligent battle ...!