Original: 闇金ウシジマくん
Kaoru Ushijima's Kaukau Finance is the lender of last resort for many of the poorest people in the area: He collects without mercy and without fail.
Chiaki, an adult-video actress looking to switch to a proper job, takes out a loan from Ushijima in order to take the corporate entrance exam.
Office lady Kumiko piles up debts to maintain her relationships at work. Her boyfriend, meanwhile, is attempting to avoid paying Ushijima back.
Kumiko starts working part-time in the sex trade, but Kensuke can't curtail his spending habits even after word gets around at Kumiko's office job.
Ohara, Ushijima's backer, pressures him about profits. Chiaki's people skills are an asset at the office when they're targeted by scammers.
Ushijima and his fellows realize that Morishita and his crew have been scamming lenders Chiaki feels responsible for falling for their scheme.
Ushijima's agency is targeted by another illegal loan shop: Losing money, they plan to infiltrate Kaukau Finance and steal their client list.
Desperate, Itabashi continues his campaign of forgery to get a loan, while Ueno waits for his chance and Mizuki is targeted by an old client.
Ushijima turns 'Ueno,' and then he turns the tables on Ueno's boss. Yoshinori wants to run away with Anna, but she's not interested anymore.
Mizuki seeks help from Ushijima and company to get back the money that Numata stole from her. Meanwhile, Itabashi is running out of options.
