By chance, Farrell became Satan and obtained a mysterious Hell system that can be leveled up. After solving various weird cases, Farrell looks more and more like the real Satan, whose mission is to reshape Hell. But just when everything goes smoothly, Farrell suddenly discovers that a huge secret is hidden in the Hell system, a big secret affecting all lives in the world...
[This series was migrated from the old Kagane. There may be missing data or inaccuracies.]
