Following a collision, Ryou Mihara is reborn in the realm of Phi as a water sorcerer. Emerging within an isolated woodland, he endeavors to realize his dream of a tranquil existence by subsisting on beasts and honing his craft. Little does he know that in this rebirth he has acquired the concealed gift of "Everlasting Youth."
On a certain day, Ryou encounters a wrecked explorer named Abel. When Abel asks Ryou to join him toward the settlement of Lune, they traverse a range teeming with monsters. Upon reaching the village and enrolling as a quester, Ryou"s formidable aqueous magic and gear astonish everyone, surpassing any previous sight. Though many are drawn to his talent, Ryou yearns to forge his own path and further sharpen his abilities! He resolves to master every spell and explore the hidden depths of Phi.
