The underworld has become a capitalist society. One must settle their debts, even in death. “Wait, you’re saying I can’t move on to the afterlife until I settle my debt?” Cheon Jae-hak died drowning in debt. That news hit him like a ton of bricks right after dying! Jae-hak, with his taekwondo skills, will join Underworld Capital to collect money from wandering spirits. From a debtor to the youngest member of a financial firm! Alright, I’ll earn money and pay off my debt! A crazy, overpowered occultist who’ll pay off his debt by beating up ghosts!?