The Gamer(2013)

The Gamer

Ji-Han Han is your typical high school student -- minus the fact the he’s acquired the special ability to view the world around him as a video-game. Not long after this discovery, he stumbles upon a hidden world filled with others just like him. Now, amidst juggling homework and completing quests, Ji-Han must learn how to navigate his newfound power in order to level up in life.

(Source: WEBTOONS)