In his previous life, he lived a lonely life. He was the supreme "Shadow" who was feared in the world of killers, and was also Dr. "King" of the United Nations Underground Research Institute.
He never believed in the theory of gods and ghosts, but he could not argue with the fact that he was reborn in this other world.
He has no desires and desires, and he can go wherever he wants, but he is willing to be bound by the love of his first love.
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Feng Jueying: Whoever dares to hurt my people, I will wash the capital with blood.