Beneath the flickering stage lights of the Moonlit Marionettes circus, 14-year-old , the youngest member of the troupe, balanced on a tightrope suspended over the audience. To most, the circus was a spectacle of silk and flame—but to Ni, it was a vault of secrets. Her master, Zephyr the Wind-Dancer , had whispered of a Vol. Link , an ancient device rumored to hold the history of the acrobat order. And now, scrawled in chalk on the wall of a forgotten props room, Ni had found a riddle: "Scdv 28014" .