Eric was fired from the Alchemy Atelier because of his Skill that "Degrades" any material he touches. Having no choice but to become an Adventurer, he realizes that this skill actually transforms materials into Superior Species before they are harvested...! Realizing the True Worth of his skill, Eric decides to use that power to collect Ultra-Rare materials and live freely as both an Adventurer and an Alchemist. Then, a skilled girl adventurer who saw potential in Eric's power and cheerful divine beasts come his way――The carefree adventure Fantasy of an exiled Alchemist begins!