In the twenty‑fourth century on Aqua, three young women—Akari Mizunashi, Alice Carroll and Aika S. Granzchesta—persistently pursue their dream of becoming Prima Undines, the elite gondola tour guides. Fortuitously, they are mentored by Neo‑Venezia"s top three Prima Undines—Alicia Florence, Athena Glory and Akira E. Ferrari—who are celebrated as the "Water Fairies" for their mastery. Under these experts" tutelage, the apprentices train diligently and confront every challenge that arises.
Through triumphs and trials alike, the trio strives to refine their gondolier skills within Neo‑Venezia, a terraformed homage to Venice. Their dedication is fueled by the breathtaking canals that wind through Neo‑Venezia, and they navigate both calm waters and unexpected currents with equal grace.
Hal Film Maker Japan