I Rewrite the World with a Script, Continuing Uncle Zombie's Story from the Start

Zhang Jun, a ruthless fighter, battles his way through northern Myanmar to save his younger brother. After he dies, a mysterious person takes an interest in his soul and sends him to another universe. He also receives a cheat ability that lets him edit stories using scripts. And so this world gains royal zombies, Frieren: Beyond Journey’s End, Iron Man, and eventually even the Burning Legion and the planet Azeroth. One unbelievable story after another slowly becomes reality through his writing.