Emergency Doctor Mercenary Road

I am serious about saving people, I am professional in protecting people, and I like hunting for treasures. . . . Emergency doctor Lu Fei was forced to travel to a small town in the United States in a parallel universe, got the rescue system, and became a legal mercenary by chance. As a real man, you must always cut open people’s bodies to save people from danger; you must often fight and kill, and use thunderbolt methods with compassion! - Description from novelcodex.org