Kazuyoshi Ishii, the founder of the martial arts organization K-1, had been sent to prison for tax evasion. After serving his sentence, he exits Shizuoka Prison only to be immediately killed by a speeding truck...

Having suffered humiliation in his youth, he will move forward with exceptional martial talent, inheriting the mantle of the Overlord. He will ride the king of demonic beasts, break through all obstacles, and...