Book 1

Snowball Earth, Vol. 1

by Yuhiro Tsujitsugu

Published 16 April 2024
Young mecha pilot Tetsuo survives the last great battle against an alien horde. His escape pod lands on Earth eight years later, but his homecoming is not what he expected!

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?

Book 2

Young mecha pilot Tetsuo survives the last great battle against an alien horde. His escape pod lands on Earth eight years later, but his homecoming is not what he expected!

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…

Ten years later, Tetsuo has returned to Earth in an escape pod, but finds the planet totally frozen over! To his horror, he discovers that the alien kaiju are also on Earth. After meeting a hardy band of human survivors, Tetsuo learns that Yukio has survived as well, his consciousness downloaded into the escape pod—which is also a battle robot! But the people Tetsuo has found are not the only survivors, and a mysterious humanoid kaiju also lurks among the ruins…

Book 3

Snowball Earth, Vol. 3

by Yuhiro Tsujitsugu

Published 15 October 2024
Young mecha pilot Tetsuo survives the last great battle against an alien horde. His escape pod lands on Earth eight years later, but his homecoming is not what he expected!

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…

After meeting the survivors of the icy apocalypse who are holed up in Mishima Mall, Tetsuo makes a few attempts at making friends. His defeat of the kaiju that attacked the mall has made him a hero to the inhabitants, but before he can establish any firm relationships, a new threat appears. Another band of human survivors, led by the mysterious Colonel, wants to seize control of the mall—and they have their own kaiju to do it with!

Book 4

Snowball Earth, Vol. 4

by Yuhiro Tsujitsugu

Published 21 January 2025
Young mecha pilot Tetsuo survives the last great battle against an alien horde. His escape pod lands on Earth eight years later, but his homecoming is not what he expected!

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…

Who is the mysterious Colonel Sagami, leader of the band of kaiju tamers who call themselves the Light of E-RDE? What role did he have during the final battle against the intergalactic kaiju? These questions linger over the struggle for Mishima Mall as Tetsuo and his newfound friends fight to protect their home. The answers may reveal uncomfortable truths about the kaiju invasion of Earth, and a connection between the colonel and Tetsuo…

Book 5

Young mecha pilot Tetsuo survives the last great battle against an alien horde. His escape pod lands on Earth eight years later, but his homecoming is not what he expected!

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…

After the battle with Colonel Sagami and VIERDE, and fearing an attack by the kaiju in Tokyo, the leader of Mishima Mall determines that the settlement must move. Tetsuo volunteers to scout a possible hideout that Nayuta, a member of VIERDE, says he discovered. Can Tetsuo work with people who were his enemies just the day before? With a new paranormal kaiju lurking in the frozen wasteland, he’ll need all the allies he can get!

Book 6

Snowball Earth, Vol. 6

by Yuhiro Tsujitsugu

Published 19 August 2025
Young mecha pilot Tetsuo survives the last great battle against an alien horde. His escape pod lands on Earth eight years later, but his homecoming is not what he expected!

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…

Femlar, a man-eating kaiju controlled by Nadare, attacks Mishima Mall just before the survivors relocate. A misunderstanding between Tetsuo and Yukio has led to Nayuta piloting a damaged Yukio instead of Tetsuo. Along with Ao and Land of Men, they engage Femlar, but the childlike kaiju may be too much for them to handle. When all seems to be lost, a strange, beckoning cat may be the key to unlocking Yukio’s final form, but at what price?