A mortal boy, because of his special physique, was used by the big shots in the world as a container to seal the ancient evil. In this body where humans and demons coexist, the evil spirits want to get his body to break away from the ancient seal, and the big shot wants to use him to eradicate the evil spirits. In this world of cultivation where the capable are respected, how does he get rid of the shackles of fate and become proud of the three worlds?