Miyuki Honjo is living the normal life of a graduate student of Jonan University. However, on a certain day one night， by a twist of fate， not only her body， but her way of life is also changed... There is a mysterious dark organization called Crash! Miyuki is abducted by them and is forced to undergo surgery. Whether it is by coincidence or not.....she is spared being brainwashed. However, from this day on， her battles against the half-man， half-machine monsters begin. What awaits Miyuki as a result of her daily battles?!