The Exclusive Contractor's Quitting Chronicles

In a world where hunter rank is everything, Rank F Yun Seo-Ra is lucky to even have a job at the Hunter Association. But when she's trapped in a dungeon, she yells at the system, blaming her inability to escape on her low rank. Out of pity, it offers her an exclusive contract, which Seo-Ra accepts, soaring to Rank S! She begs the system to keep this a secret until she can earn enough money to quit her job. Can Seo-Ra resign with riches, or will her fellow Rank S hunters track her down first?

(Source: Tapas, edited)