Mugen jigoku Kyôaku kinyûdô

Kiryu Mamoru a subordinate boss of the Tomogashira Group earns a living through the shady business of yamikin or underground lending He preys on desperate customers who cannot get loans from legitimate lenders charging exorbitant interest rates of 30 in 10 days or even 90 in some cases in violation of the law With the backing of his yakuza group he employs extremely vicious and unethical methods