'Yukio, I'm going to make friends.' — The only friend of **Tetsuo**, a shy boy, is the giant robot **Yukio**. They were the 'saviors' who fought off the galactic monsters invading from space.
Ten years after the final battle that staked humanity's survival… What Tetsuo saw upon returning to Earth was a land covered in snow and ice — the frozen Earth, 'Snowball Earth'!
On a transformed Earth, Tetsuo and Yukio rise once more — a hot, wistful, one-of-a-kind sci-fi robot action. Airing from April 2026.
📝 魅力・見どころ・特徴 ネタバレ控えめ
01A story of a boy and a robot's bond
The bond of the shy boy Tetsuo and his only friend, the giant robot Yukio, is the work's core. A story of friendship beyond species sets the heart ablaze.
02A grand world: 'frozen Earth'
The grand, beautiful world of a snow-and-ice-covered frozen Earth is the appeal. You're drawn into a one-of-a-kind sci-fi set on a transformed Earth.
03Robot battles against galactic monsters
Powerful robot battles against galactic monsters invading from space are a highlight. You can enjoy the large-scale battles Tetsuo and Yukio wage.
04A hot, wistful drama
The hot, wistful story of fighting again on a transformed Earth, ten years after the final battle, is the appeal. Beyond action, the depth of drama is also an appeal.
05Visuals by Studio KAI
The skilled Studio KAI handles the production. Expectations rise for the beautiful scenery of the frozen Earth and powerful robot battles.
06Acting by a skilled cast
Takuto Yoshinaga as Tetsuo, Daisuke Hirakawa as Yukio, Tomokazu Sugita and more — skilled performers gather, depicting the bond of boy and robot with solid acting.
07Theme songs by tuki. and Ai Higuchi
OP 'Zero' by tuki. and ED 'Ima Kono Mune ni Tagiru no wa' by Ai Higuchi. Theme songs that perfectly fit the hot, wistful story.
08Pulled in within one episode, even unread
The strong hook — the Earth he returns to after ten years has frozen — is the appeal. Even unread, you'll be drawn into its grand sci-fi world from episode 1.
💡 注目ポイント・展開予想 軽めネタバレ
The early arc will likely follow Tetsuo and Yukio, returning to the frozen Earth ten years after the final battle for humanity's survival, throwing themselves into battle again on a transformed world.
Why the Earth froze and what happened during the ten years — those mysteries should be revealed bit by bit.
Centered on the bond of boy and robot, how the battles with galactic monsters and the truth of the frozen Earth are depicted — the course of a hot, wistful sci-fi robot action is expected to be a major highlight.
🧾 これまでのあらすじ ネタバレあり
Here is the starting point: 'Yukio, I'm going to make friends.' The only friend of the shy boy Tetsuo is the giant robot Yukio. They were the 'saviors' who fought off the galactic monsters invading from space.
Ten years after the final battle for humanity's survival… What Tetsuo saw upon returning to Earth was a land covered in snow and ice — the frozen Earth, 'Snowball Earth.'
On a transformed Earth, Tetsuo and Yukio rise once more — the anime is expected to begin as this hot, wistful sci-fi robot action.
✅ 観る・注目するおすすめポイント
Strongly recommended for fans of sci-fi robot action and hot, wistful stories of bonds.
You're drawn into the grand, one-of-a-kind world of a boy and a robot fighting again on a frozen Earth. With tuki. and Ai Higuchi's theme songs, do savor it.
👀 トリビア・驚きの小ネタ集
・A sci-fi work depicting the bond of the shy boy Tetsuo and the giant robot Yukio.
・The setting is the snow-and-ice-covered frozen Earth, 'Snowball Earth.'
・The OP is 'Zero' by tuki., the ED 'Ima Kono Mune ni Tagiru no wa' by Ai Higuchi, and the animation by Studio KAI.
💫 未回収の伏線 ネタバレあり
The grand sci-fi robot action hides grand mysteries awaiting resolution:
● The reason the Earth froze and what happened over the ten years.
● The identity and aim of the galactic monsters Tetsuo and Yukio fight.
● The mystery hidden in his only friend Yukio.
● New threats and allies awaiting on the transformed Earth.
The further the story goes, the more the truth around the frozen Earth and Tetsuo comes into view.
💌 次シーズンで絶対バズる名セリフ予想
● "Yukio, let's fight together once more."
— Tetsuo, affirming the bond with his partner.
● "So this… is the Earth ten years later."
— Tetsuo, standing stunned on the frozen Earth.
*Predictions based on the work's direction and source.