An exiled alchemist unknowingly becomes a legend. He lives happily on the frontier with his Yandere sister (the kingdom's guardian dragon)!

The greatest alchemist in history and his sister (guardian dragon), the strongest on earth, create a new legend--. Meis, the eldest son of a duke family, is banished to the frontier as an incompetent alchemist who cannot even make recovery medicine. In fact, however, his unique skill is that he can only succeed in alchemy of SSS rank or higher! Furthermore, the existence called Valitra, the guardian dragon of the country, and Meis's sister, Tinny, also decided to follow him to the frontier. The frontier where Meis became the lord achieved unprecedented development through his kindness and alchemy, and the kingdom that lost its guardian dragon was on its way to ruin. A frontier exploration fantasy of a kind-hearted genius alchemist and his strongest Yandere sister!

The greatest alchemist in history and his sister (guardian dragon), the strongest on earth, create a new legend--. Meis, the eldest son of a duke family, is banished to the frontier as an incompetent alchemist who cannot even make recovery medicine. In fact, however, his unique skill is that he can only succeed in alchemy of SSS rank or higher! Furthermore, the existence called Valitra, the guardian dragon of the country, and Meis's sister, Tinny, also decided to follow him to the frontier. The frontier where Meis became the lord achieved unprecedented development through his kindness and alchemy, and the kingdom that lost its guardian dragon was on its way to ruin. A frontier exploration fantasy of a kind-hearted genius alchemist and his strongest Yandere sister!