Ahead of its April 3 broadcast start, the Snowball Earth anime announced today that "Zero." by teenage singer-songwriter tuki. will serves as the series' opening theme song. A collaboration illustration was also unveiled. Snowball Earth x tuki. Collab Illustration Snowball Earth Anime Opening Theme Song Reveal Vidfeo RELATED: Snowball Earth Anime Begins Airing on April 3, 2026 Munehisa Sakai ( ZOMBIE LAND SAGA ) directs the Snowball Earth anime at Studio KAI, with assistant direction by Takeshi Iwata, series composition by Shigeru Murakoshi ( Apocalypse Hotel ) and character designs by Toshiya Kono ( 'Tis Time for "Torture," Princess ), who also serves as chief animation director. Takuto Yoshinaga (Tsukushi in DAYS ) leads the action sci-fi series as Tetsuo Yabusame, joined by Daisuke Hirakawa as Yukio, Ami Koshimizu as Ao Nogi and Konomi Tamura as Hagane Takimura. Viz Media publishes an official English version of the original manga and describes the story: Yukio was destroyed in battle and Tetsuo survived in an escape pod. After eight years in cold sleep, the escape pod finally lands back on Earth. But when Tetsuo emerges he finds a world in ruins, entirely frozen beneath a blanket of ice and snow—snowball Earth! What happened to humanity, how did the planet freeze over, and will Tetsuo be able to keep his last promise to Yukio? Source: Comic Natalie
