Transmigrate Into a Book as a Fake Heiress, Become the Boss in the Apocalypse

(No CP, laid-back female protagonist) Mo Yinglan transmigrated into a book, and not just any book, but an absurd novel she and her classmates had written back in high school. She was completely speechless. She didn't want to do anything; all she wanted was to slack off. Her catchphrase was, "Forget it." She just drifted through life, taking things as they came, until one day she died. Oh, right, she died, and then somehow became the Zombie King. She had no idea why. She died once, and ended up like this...