After spending ten years working in a textile factory just to survive, Lexie never expected her ordinary life to change. When a mysterious man named Kairo offers her a job, she accepts without hesitation. His only request is simple—to help him search for the legendary sword his grandfather supposedly lost in the human world years ago.But they are not the only ones searching.A mysterious group known as the Noctis has been hunting the same sword for years, believing it possesses an extraordinary power. Despite countless searches, the weapon has never been found, as if it had vanished without a trace.As Lexie and Kairo follow one clue after another, the journey grows more dangerous. Strange incidents begin to unfold, hidden enemies emerge from the shadows, and long-buried secrets slowly come to light. With every step they take, Lexie finds herself drawn deeper into a mystery far greater than she ever imagined.Because some swords are never truly lost.They're simply waiting for the right person to find them.