You Went to Collect a Debt, and Somehow Became the World’s Richest Man

That woman is bullying me again? I swear: I won't put up with anyone bullying me ever again! Day one: I got revenge on my beautiful boss and was promoted on the spot to manager of the debt collection department! Day two: I went out to collect debts. If nobody else could get the money back, I could! Day three: I accidentally saved a beauty, who turned out to be the campus belle I'd secretly loved for years! Day four: I took my friends out for a wild night and spent money like it was nothing! Then one day, Zhao Rui got a call from the bank telling him he was now the richest man in the world!