One of the "Resonance" who traveled with a certain summoner to awaken a goddess.
In the other world of Iseruon, he is known as the King of Thieves.
With a demon sword in his hand, he united the thieves and fought against the power of the ministers who ruled the country.People called him the "Half-Demon Thief King" in hope that he would stand up to the evil government of the ministers.