When ordinary office worker Norio Itonami is unexpectedly whisked away to a different realm, it appears he's destined for a tumultuous battlefield despite his lack of any discernible talents. Through shrewd negotiation with the king, he secures a piece of land—uninhabited and desolate. Secretly harboring the Master of Supremacy, a coveted treasure promising a life of ease, Norio embarks on a vibrant journey. From an unexpected mermaid declaring herself his spouse to striking up an unlikely friendship with the Undead King, Norio's days are anything but mundane. But just when he thought life couldn't get any busier or more entertaining, a formidable dragon enters the scene, adding another layer of excitement to his already thrilling adventures.