While you were looking for a job, you saw an advertisement for light work with high wages, so you applied to work there. And you were recruited for that position. By the time you start working, it's too late. Because it's an inhumane human laboratory. And you are assigned the most difficult task of taming a monster that has been experimented on and has a power superior to all other monsters. So you have begun to get acquainted with a monster named A-1021.