力王 等括地狱

In near-future Tokyo. Saiga Riki-Oh, imprisoned in the privatized private Kokubun Prison, is a young man of strong justice and chivalry, even as an inmate. However, the prison operators, who find such a Riki-Oh troublesome, plan his elimination. They send assassins—fellow inmates Narumi and Yomi, who possess formidable combat skills. "I'll send your evil deeds straight to hell!!" With his signature line, Riki-Oh confronts the enemies that come for him. Where will this battle lead?