Emergency doctor mercenary Road

I'm serious about saving people, I'm professional about protecting people, and I like seizing treasure Lu Fei, an emergency doctor, was forced to cross into the American town of parallel universe and got the rescue system. By chance, he became a legal mercenary as a real man, he must always cut his body apart to save people from danger; We must always fight and kill, and use Thunderbolt means with a compassionate heart!