The Marb Empire is ruled by two pillars of power—the Emperor and the Pope. Ilha, born with the blood of both, was destined for greatness. But treachery struck. His mother was slain, and Ilha was falsely accused, exiled, and enslaved. Ten years of suffering pass, until he crosses paths with Sio, a persecuted girl of the demon tribe. Sio's people were massacred by the empire, and her heart burns for revenge. Moved by Sio’s unyielding fury, Ilha makes a choice—he will reclaim everything that was stolen from him. The time has come to rise, to fight, and to destroy the empire that cast him aside.

Hatsuka is a boy with no memories. He possessed an astonishing power that left everyone amazed - an immortal body! Together with Leon, a boy who considers himself his older brother, Hatsuka embarks on a great adventure to unravel the mysteries surrounding himself and journey to the moon!