Gou learns witchcraft in another world

"Shot in the back...it's suicide." "The body is cut in two? Could it be that he accidentally used a chainsaw?" As an FBI agent, Luo Qiu had always been cautious in dealing with strange cases. Until one day, something unexpected appeared before him, allowing him to touch upon the truth of this world. Wizards? Supernatural beings? The Free Alliance? ... "Excuse me, I'm just an agent. I have no knowledge of Sir Fletcher's assassination."