Demon King Astrea tasked 72 worthy Demon Lords with destroying the world. Demon Lords--a title only given to those who passed Astrea’s test. Each was given powers befitting their title. Kharos, the ruler of madness and greed, was no exception. But his granted power was less than satisfactory. He received the power of "Gacha"—a luck-based ability with an abysmal pull rate. With this power, Kharos must do his best to engulf the world with madness and greed! (Source: Tapas)

Forty years ago, monster-filled towers appeared, unleashing chaos across the world. Heroes, empowered by spirits, rose to combat the beasts. Jae-Ha Min, a soldier turned civilian investigator, dreams of becoming one of these heroes despite his low aptitude. Everything changes when he accidentally bonds with the spirit of the Heavenly Demon. Now with a powerful mentor inside him, Jae-Ha embarks on a journey to master his newfound abilities and help the demon return home. (Source: Tapas)