After the invading dragon army was wiped out, peace temporarily descended on the continent of Erwin. Countless adventurers were eager to find the dragon's lost treasure. The only problem seemed to be that the dragon's minions, the devil dog "Hellfire", were at large.
The Hellfire, which had been silent for more than 20 years, finally showed its flaws. Victor, who belonged to the Brufal Knights, also participated in the elimination of Hellfire - with a wretched accompanying dog.
As the action progresses, unexpected truths are gradually revealed. It turns out that Victor has already been trapped in a huge chess game between heaven and earth...