Boy With S-Rank Ability Signs A Contract With The Strongest Demon! | Manhwa recap

Manhwa recap: Ji YouChuan was seeking retribution for his parents by looking into the shadowy group Blaze. During one of the battles with Blaze, 36 demons were set free, and he inked a deal with Chelsea, the strongest demon. After being betrayed by his teammates, witnessing his friend's sacrifice, wandering the wastelands, and experiencing a number of other incidents, he joined the "Wrath of Heaven" team in order to further investigate Blaze and retrieve the 36 demons. However, Ji YouChuan and Chelsea will discover the centuries-old conspiracy behind the Red Rain disaster!