Mizu shika Denai Shingu [Cup] o Sazukatta Boku wa, Fumou no Ryouchi de Suki ni Ikiru koto ni Shimashita

Born into a wealthy aristocratic family, Cian expects a privileged future until his coming-of-age ceremony grants him only a seemingly useless cup that endlessly pours water. Branded a failure by his peers and family, he is exiled to serve as the nominal lord of a remote, barren desert territory. Rather than succumbing to despair, Cian resolves to revitalize the desolate region using his unique gift. He successfully restores a dried-up oasis with the cup’s infinite water supply, gradually bringing hope and prosperity back to the local residents who had long suffered under harsh conditions. As the land begins to flourish, the true nature of Cian’s artifact is revealed: it is actually the legendary Holy Grail. Empowered by this discovery, he leverages the cup’s miraculous properties to cultivate magical flora and develop distinctive regional products for trade. Through ingenuity and determination, Cian transforms the once-forgotten wasteland into a thriving city built entirely according to his own vision. His journey from disgraced noble to visionary leader demonstrates how an apparent curse can become the foundation for creating a vibrant community and a fulfilling life on his own terms.