The year 2006. Two brothers, Nanba Mutta (age 12) and Hibito (age 9), happen to spot a UFO headed for the moon. The...

With his mother's assistance and Hibito's encouragement, Mutta has been accepted for the New Astronaut Selection Exam...

After advancing to the second exam, Mutta realizes that the other applicants are much better prepared than he is. Des...

After a long week, only the final interview remains in the second JAXA exam. Mutta is drawing attention as Nanba Hibi...

After completing the second JAXA exam, Hibito invites Mutta for a free trip to Houston, Texas, through NASA's family ...

Mutta has arrived in America, but he's off to a rocky start with Hibito. Meanwhile, his future as an astronaut is in ...

After learning that his former boss has told JAXA about the headbutt incident, Mutta has given up hope on passing the...

When the robber known as the fire extinguisher man strikes the restaurant where Mutta is, he's in trouble. But once t...

After passing the second JAXA exam, Mutta returns to Japan for the third. He's happy about the exam result, but on th...

Mutta has learned that Kenji and Serika have strong reasons to become astronauts, while Mutta is simply trying to ach...

The third exam will take two weeks. Mutta and the other candidates are transported via sealed bus to a large, barren ...

The fifteen remaining candidates have been divided into three teams of five. Each team will spend two weeks inside a ...

The sealed box teams are assigned more tasks. These include Running Math, five minutes of mental math while running, ...

After five days in their sealed boxes, each team is exhibiting a pronounced personality. Mutta's Team A is rowdy, whi...

The exam in the sealed box is halfway over. Mutta's Team A suffered an accident when Fukuda's glasses were broken. Bu...

The third exam is halfway over. Mutta works on a completely white puzzle as he ponders why Fukuda-san would break the...

The third exam inside the sealed boxes has been underway for ten days. Each team has been experiencing unexpected pro...

The candidates have only a few days left in the sealed boxes. JAXA has been using green cards to create trouble, gaug...

The teams have two days left in the sealed boxes. Mission Control has deliberately not given certain members of Kenji...

It's their final day in the sealed box. Mutta has enjoyed his two weeks with the team, and he wishes to avert ruining...

With the third exam finally over, Furuya takes the opportunity to visit the man who made his dream possible.

The third astronaut selection exam has finally ended. Team A used rock-paper-scissors to select two members. Whose ...

Mutta has been picked to go to Houston for the final astronaut selection exam. But because his selection means that K...

The final exam is set to take place in two months. Mutta heads to Houston, ahead of the other candidates to look afte...

With the final astronaut selection exam coming up, Mutta heads to Houston. However, Jennifer has some ominous news.

Seven days remain before Hibito takes off on a journey to become the first Japanese person to walk on the moon. Meanw...

The final NASA interview was a decoy to trick the candidates into relaxing, so the astronauts could evaluate them. Ho...

With four days before the launch, Mutta and his family arrive at Kennedy Space Center for one last meal with Hibito b...

Two days are left before launch. First, the lunar lander Artemis goes into space on Mars V. Afterwards, Hibito and th...

It's finally the day of the launch, but the weather doesn't look good. On top of that, Apo's run off, so Mutta has to...

Mutta, Apo, and the strange old man watch as Hibito launches off into space. Afterwards, Mutta reminisces about the r...

Hibito has made it safely into space, and he's on his way to the moon. Meanwhile, Mutta runs into Azuma and his famil...

Hibito and the CES-51 crew finally land on the moon. However, Mutta is worried that Hibito will embarrass their count...

Hibito and the CES-51 crew have landed on the moon. Meanwhile, Mutta has returned to Japan to await his final exam re...

JAXA has begun announcing the results of the final astronaut selection exam. Makabe Kenji receives the first phone ca...

While Mutta waits to hear if he will become an astronaut, Kenji has received good news. The next candidate to get a c...

Two hours have passed since JAXA was supposed to notify the candidates, and Mutta hasn't received a call. When the ph...

After a long wait, Mutta learns that he passed the final exam. With no time to enjoy the moment, he is immediately wh...

Mutta has begun his life as an astronaut. First, he must undergo a month of JAXA training and orientation. Meanwhile,...

Damian and Hibito leave Moonbase in search of a missing unmanned probe. However, an accident occurs, stranding them i...

After a buggy accident, Hibito and Damian are stuck at the bottom of a ravine. Damian's spacesuit is damaged, and he'...

Hibito manages to bring Damian back to the surface by using Gibson, but he's running out of time, as his oxygen suppl...

Hibito is able to save Damian, but he's running out of oxygen. Freddy and Buddy are trying to catch him, but they won...

Oxygen generation system Brian arrives just in time to save Hibito. Once he and Damian are rescued and back at Moonba...

Mutta and the other astronaut candidates have finally finished their Japanese training. Before they head to Houston, ...

The JAXA astronaut candidates head to Houston, to begin training at NASA. However, Murakami-san appears to have a sur...

Mutta and the other astronaut candidates have arrived in Houston to begin training at NASA. First up is a social even...

The first astronaut candidate task is undergoing a survival training course consisting of a six-day trek through the ...

The astronaut candidates continue their survival training in the desert. Team E has fallen behind the others, but aft...

As the survival training draws to a close, Nitta suddenly tells the team he needs to backtrack due to losing his cell...

Mutta and Nitta backtrack through the desert, looking for Nitta's cell phone. But Nitta cannot find it in time to ans...