ただのゲーム好きの高校生。現実世界のほうが、やり込んだゲームみたいになって、バカにしてきたヤンキーらをボコボコにする (Associated Names)

Naoya Kanzaki, the protagonist, is just an ordinary high school student—except for being insanely good at games. One day, police stations across Japan explode, dungeons start appearing everywhere, and streets become overrun with monsters. As lawlessness spreads, delinquents and yakuza begin committing crimes openly. For some reason, the rules of games start applying to the…