Mugen jigoku: Kyôaku kin'yûdô

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...

Shin Mahjong Demon 2: Mahjong Lawless Zone

The Kuronuma Group, a huge mahjong organization that controls the political and financial circles of Japan from behind the scenes, has been growing rapidly by taking in underground professionals one after another with the overwhelming strength of the second generation leader, Nishimura Hiromitsu. In the midst of all this, a young pinch-player, Matsuoka, who respects Sakurai Shoichi, faces off against a low-level member, which leads to a confrontation between Sakurai and Nishimura...