On Earth, an alien falls from the sky. Taking human form and the name "Sorato", he becomes interested in the "Earthlings" and attempts to understand them. As kaiju continue to appear before him, he ...

One day, a sudden invasion of a virus made up of particles known as the 'Chaos Header' invades the Earth, seeking to possess the monsters to manipulate them to destroy the Earth. Musashi Haruno, a ...