Otaku Code: Zero Odds Of Survival.

Yoo Mu hyeon was your average high school student, barely scraping enough credit to graduate.  Before him was a bleak future of becoming a blue-colored office worker and living an average life. Then one day the book he was reading becomes a reality. Monsters, instances, and bosses. They all became a part of the world they lived in. While he was doomed to be at the bottom of the ladder in the real world, in this place where common sense has been overturned and strength rules... Will this otaku survive?