Two years ago, my grandpa entered an Infinite Hole and never came back. Since then, I've dedicated my life to studying them: mysterious gateways that appear for chosen people, remain open for only two hours, and lead to a world no one can remember after returning. Some say countless treasures ...

The greatest hero in the world never had a name. The first person to give him one was the little girl he was supposed to abandon. Raised to be nothing more than the king's weapon, he spent his life slaying Colossi—creatures larger than mountains—conquering nations, and expanding his kingdom...