300 Million years ago, Yu Feng, the criminal who owned the blue satin, escaped due to insufficient mana and was sentenced to death. Just as the execution began, a blue shadow suddenly rescued Xiao Yi, who was unable to resist...
300 Million years later, Xiao Yi once again received the task of sealing (hunting down) the escapee Yu Feng, so he came to another space in another world - the human world. In the human world, he met another F. R. Appointee from the police station in another world - Jimila, who claimed to compete with Xiao Yi for the "prey" - Yu Feng. Three people with different destinies met in the human world and started a unique war...