With the casualties of war still haunting him, young Levius uses his prosthetic arm to take his fight into the brutal world of Mecha Boxing.

In the summer of 1989, four kids in Tokyo witness the emergence of the turtle kaiju Gamera, who bravely stands up against giant human-eating monsters.

The ultimate battle royale for divinity has begun. High schoolers must use their unique powers to compete against each other for the coveted title...