As the U-17 World Cup arrives, junior tennis squads from across the globe convene in Melbourne, Australia to decide who will reign supreme. Germany, the nine‑time defending champion, will once again strive to retain its crown, while tennis powerhouses such as Switzerland, France and the United States aim to shake up the competition. Despite Japan languishing at the bottom of the rankings, the inclusion of its top middle‑school talent has breathed new life into their campaign. Led by the fierce Houou Byoudouin, Japan is poised to demonstrate its true potential. Before the official matches commence, teams will test their mettle in exhibition games. Fortuitously, Japan is set to clash with the reigning German side—a bout they are expected to lose. To complicate matters, former allies have abruptly turned into rivals. Before Team Japan succumbs to the global pressure, they must resurrect from defeat and seize the championship. With grit, determination, and the unwavering support of fans worldwide, the Japanese squad will battle every obstacle, turning adversity into a triumphant legacy for future generations.