Bloodthirsty Good Doctor

Doctors are good at saving people, but they are even better at killing people. When an attending doctor who knows every part, muscle, and blood vessel of the human body is familiar with it, he travels to a doomsday world where zombies and mutated beasts are rampant, and a bloodthirsty storm is quietly stirring. "Don't mess with the doctor" The contract has been signed, so please feel free to collect and recommend anything.