Hamel, a warrior who traveled with his colleagues to exterminate the devil. Unfortunately, he died just before the battle with the devil started.From a dying body to a new body, he has the achievement that he did not have in his previous life. And, a reincarnation of an unknown origin, the reality of living together with the demons. Facing a new world where everything is questionable. The journey of the unfinished previous life begins with Eugene’s body.