Aishi was created with the intention to by a weapon, but by the time in the experiment, he starts to by coming concient of what he is or what is the world, one day he gets out of his laboratory destroying everything of his way, freedring some other experiments and leaving the place

after that he "own" mission was destroyed everything to make a new life, because he thinking of the humanity was always "bad people", make him kill so many lives and destroying so many cities

but he knows someone will try to stop him, in a good or bad intention, he will try to succeed him mission