Reincarnated As An Undead In My Novel.

'Thanatos' is one of the most popular Authors in the world, but he has a dark past. ... A novel he considers to be his biggest flop. One day, a reader brings this novel to his notice and tries to make him complete it, with threats. He refuses, but soon finds himself in the very world he created and abandoned many years ago. Now reincarnated as a mere Undead, Thanatos is stuck in this world as nothing more than an NPC and must navigate his way in this failed novel of his. Not just that... but he somehow has to see the story to the very end.