SSSSS-Grade Infinite Regressor

Yu Junghyoek is trapped in a lonely, endless regression cycle in a gaming-apocalypse Seoul.

In order to save the world, he must use his knowledge of the future while overcoming the unpredictable effects of his action and his growing madness due to his long and painfull journey.



Even though its a fanfiction of The Omniscient Reader Viewpoint, you don't need to know it to enjoy that story.