A creature born between an angel and a devil. Among them, the creature with the best bloodline becomes a being called a “Hybrid” and is said to have enough power to blow up the universe the moment they are awakened. Contrary to the wishes of Jae-ik, who only wanted a simple ordinary life, angels and devils are finally seeking out Jae-ik, the ultimate hybrid, and developing strategies to get him on their side. Will Jaeik be awakened as an angel or a devil?