Once I Possess The System I Will Become The Creatorシステムを手に入れた俺は創世主となる

Kano Hoki, an ordinary office worker working as a game planner, is fired from his company after his proposal for a new title is rejected. While he is dejectedly reporting the results to his online friends, the words "Final Chapter" suddenly appear on the monitor, along with a horde of monstersa scene that is just like the game he himself planned! Shocked, Hoki rushes home to check on his parents and sister, only to find that they are already dead. Enraged, he challenges the monsters, only to be stabbed to death. Feeling guilty that the game he created destroyed the world, and wishing for an afterlife, he loses consciousness. However, when he wakes up, he finds himself in a schoolyard. The world is very different from the one he knows, but Hoki has a chance to start over. A countdown to the end hangs in the sky, with 190 days remaining. Will Hoki, now the "Creator," be able to prevent the apocalypse this time?