In a world where adventurers embark on perilous journeys to reach the legendary Golden Island, fierce battles unfold using golden weapons imbued with supernatural powers. Among them is Shiba, a boy wielding a golden sword with an unusual trait—it "cannot cut anything." At first glance, his weapon seems utterly useless. But for Shiba, every challenge is just another thrill on his grand adventure! Armed with his seemingly worthless blade, he defies expectations and overcomes impossible odds. His uncuttable sword is about to carve a new legend!