In a world where human civilization is constantly threatened by wild monsters, only the rare few individuals who wield forbidden skills dare challenge them. However, these brave warriors have to face an even more dangerous hazard… because with every Skill they use, a terrible curse eats away at their bodies….

Asogi City, a company town located by the beautiful Setouchi sea. The citizens here have every aspect of their lives controlled by the company. It’s a peaceful life, and they seem to have no qualms or dissatisfaction with the current state of things. But within this pristine town, there are…

After offending a high-ranked magic user in the kingdom of Zeth, Rance was ironically thrown into the slave camp while his magic-using slave Sill was treated as a VIP. Vowing vengeance, Rance joined up with an underground resistance group determined to overthrow Zeth’s government (and be reunited with Sill).