Assassin's King second chance

Leo an assassin from earth that stood at top of the apex suddenly died in the hands of whom he treated as a brother suddenly got reincarnated into the dying body of a teenager named Ace, left to die because of people envy his handsome face. What future does the new life await him? Will he embark on the same path or he will live a normal life? Would it be good or bad no one knows So come and see what will he end up doing.