Snowball Earth Anime Reveals Promo Video, Ending Theme Song, More Cast

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posted on 2026-03-12 20:55 IST by Alex Mateo

Ai Higuchi performs ending theme song for April 3 anime

The website for the television anime of Yuhiro Tsujitsugu's Snowball Earth manga revealed on Thursday the main promotional video, key visual, and more cast. The video unveils and previews the ending theme song "Ima Kono Mune ni Tagiru no wa" (What is Surging in My Heart Now) by Ai Higuchi. The trailer also previews the opening theme song "Zero," the first anime theme song by tuki.

The original creator Tsujitsugu drew an illustration to commemorate the ending theme song announcement:

Snowball Earth ending theme song illustration

The newly announced cast includes:

Kengo Kawanishi as Nayuta Izumi

Tomohiro Ōno as Tamiya Sakura

Manami Narahira as Yuma Uzuki

Anna Nagase as Otoichi Kinoe

Chitose Morinaga as Makoto Saionji

Maki Kawase as Riko Kawagi

Tomokazu Sugita as Isseki

The anime will premiere on NTV's extended Friday night programming block on April 3 at 11:30 p.m. JST.

The series stars:

Takuto Yoshinaga as Tetsuo Yabusame
Daisuke Hirakawa as Yukio
Ami Koshimizu as Ao Nogi
Konomi Tamura as Hagane Takimura

Munehisa Sakai (Zombie Land Saga, Dance Dance Danseur, One Piece Film Strong World film) is directing the anime at Studio KAI, and Takeshi Iwata (The IDOLM@STER Shiny Colors, 2nd season Ajin episode director) is the assistant director. Shigeru Murakoshi (Apocalypse Hotel, Catch Me at the Ballpark!, Zombie Land Saga) is in charge of series scripts, and Toshiya Kōno ('Tis Time for "Torture," Princess character design, Fate/Apocrypha, Chainsaw Man ep. 4 animation director) is designing the characters and is also the chief animation director. TOHO animation is producing the anime.

Additional staff includes:

Mecha Design: Se Jun Kim
Monster Design: Ryuuta Yanagi
Art Director: Mari Fujino
Color Design: Hironori Nochi
CG Director: Hiroki Motooka
Motion Graphics: Hiromu Ōshiro (Production I.G)
Director of Photography: Kenta Hayashi, Shōta Kodera
Editing: Tomoki Nagasaka
Music: Tatsuya Katō, Hiroaki Tsutsumi, Yuki Kanesaka

Viz Media releases the manga in English and describes the story:

In the year 2025, huge beasts from beyond the galaxy attacked Earth. In the war that followed, humanity fought back with a giant robot named Yukio, piloted by Tetsuo Yabusame. As the massive alien swarm closed in on humanity's homeworld, Tetsuo and the Earth Defense Force deployed for the final battle with the invading horde. They lost…

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?

Tsujitsugu launched the ongoing manga in Shogakukan's Monthly Spirits magazine in 2021. Shogakukan published the manga's 10th compiled book volume on December 26. Viz Media published the manga's eighth volume in English on February 17.

Sources: Snowball Earth anime's website, Comic Natalie

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