Crossover: Becoming the Richest Man Starts with Collecting Debts

My name is Watanuki Yoru, but the name doesn't matter. All you need to know is that after I failed to land the job I was competing for, I turned around to inherit the family business, only to discover that the loan sharks had already squandered it into pieces. To reclaim my place as the world's richest person, I set off to collect debts. From Hokage, admirals, generals, and Four Emperors to hunters, all sorts of financial tycoons, kings, nobles, and even common laborers: every last one of them owes me money!! Now I'm doing whatever it takes to collect from them. [Basically, it's a story about a girl who's been loaned into poverty and goes around the world collecting debts.] Also known as 108 Ways to Collect a Debt, Who Should I Ask for Money Today?, and Every Day I Wake Up Collecting Debts.