Junk to King: I Am A Scavenger

You've received a hidden job. Processing… Congratulations, Scavenger! Typhon Ye couldn’t afford to repay the high-interest loans that plagued him after a few failed investments, so his loan shark made him do illegal work for private parties to repay his debts. On one fateful day, Typhon struck down a monster he should never have been able to, and in that instant, experience points surged within him! He’d leveled up from Lv. 0 to Lv. 1! Typhon had triggered his once-in-a-lifetime opportunity to get a job! But the hands of fate had another plan for him, he awakened to a job unheard of in history -Scavenger! A “unique” job that revolves entirely around junk!

(Source: WebComics)