Leveling Up in an Exclusive Dungeon

Guilds are there to protect hunters, right? Right...? Nope. All they seem to protect is their own interests. As they monopolize hunting grounds, the monsters, and even the XP points, Jinhyeok, our MC and a hunter without guild affiliation, is left bouncing from one part-time job to another just to scrape by. What he needs is an opening. A shot. A crack in the system. Then the universe provides one. In his attic. What?!