Long Haoyu was captured by the Demon God Emperor since he was a child, underwent blood transfusion, modified his memory, and tested his innate spiritual power. Finally, he became the prince and established a demon-hunting group. Sneak into the human race and secretly participate in the selection competition of the Demon Hunting Group. Finally, he met Long Haochen and fought side by side at the last critical moment.
Intention: Long Haoyu's journey as a double agent.