Inazuman and Kikaider, two great heroes, clash!

The "New Human Empire" attacks the world with a plan to exterminate the human race! Kazada Saburou transforms into "Inazuman" with his supernatural powers. And Jirou "Kikaider," a warrior with a mechanical body, joins in. The two heroes of Ishimori's works finally collide!

(Source: MangaDex)