A new director is assigned to the Debris Section. He expresses his desire to shut the section down. Most of the crew is shocked, except Hachimaki, who is busy thinking about the Jupiter mission. The Debris Section sets out for its final collection mission on the Toy Box 2. The debris is a drifting spaceship with a surprise.

Locksmith, head of the Jupiter Exploration Mission, visits the Debris Section. He seems to be looking for Hachimaki’s father, Hoshino Goro, to hire him for the Von Braun exploration vessel for Jupiter. Hachimaki tries to convince his father that Jupiter is humanity’s dream, but he is uninterested. Just then, the Von Braun’s engine experiences a failure.

Hachimaki is ejected into space following a debris collection accident. He manages to return to safety and receive treatment. He seemed in high spirits throughout, but during his final exam in a sensory deprivation chamber, he panics. He returns to the sensory deprivation chamber again and again to overcome this career-ending disorder, but…

The Debris Section doesn’t know much about Edel, a temporary worker assigned to the team. She doesn’t talk much about herself. One day, while visiting the ISPV-7, Hachimaki and Tanabe encounter an odd man. The man says he’s waiting for a woman. That woman turns out to be Edel.

Hachimaki is beyond excited to learn that he’s being issued a new Toy Box 2. Meanwhile, the Debris Section is informed that office romance has been banned following the pregnancy of a Technora staff member by her subordinate. Hamachi and Tanabe are dissatisfied with this new policy. The said subordinate then happens to contact the Toy Box2 in space.

With the Toy Box destroyed, Hachimaki returns to his home on Earth, and Yuri and Tanabe pay him a visit. Invited in by Hachimaki’s mother, Haruko, the gang hang out in the living room, where they are attacked by Hachimaki’s younger brother Kyutaro’s rocket. Yuri tries to offer Kyutaro a word of encouragement regarding his rocket building, but...

The Space Defense Front, a terrorist organization opposed to space development, attacks the Moon. Meanwhile, Fee and the others, having finished maintenance on the Toy Box, return to collecting debris. There, they discover a Space Defense Front missile. The terrorist organization simultaneously broadcasts a warning message worldwide.

Temara, an engineer from the small nation of El-Tanica, visits Technora to sell spacesuits. Impressed by his work ethic, Hachimaki’s team, along with Claire, decide to help him with his application exams. Unfortunately, during the final section of the exam, an Orbital Security Agency vessel approaches them, and the exam is cut short.

Yuri Mihairokov, who had worked for five straight years without ever taking paid leave, is often seen decorating the Toy Box with carnations or staring out into space. One day, Hachimaki learns that Yuri spends time each week in the Records Section looking through debris files. There’s something he’s looking for.

Tanabe, a new recruit to Technora, arrives at the International Space Station. She’s assigned to the Debris Section, where she will be helping to clean up space debris. There, she meets Hachimaki and his buddies. Unfortunately, the Debris Section is looked down upon within the company.

Hachimaki’s mentor, Gigalt, visits the Debris Section to give guidance on security. As it turns out, Gigalt had been a member of the Debris Section in the past, and Tanabe is entertained by his stories of the past. But after solving an incident together with Gigalt, Tanabe learns something shocking about him.

The crew returns from the Moon to the Space Station, where they continue their duties. They hear a rumor that Fee had found a better position in another division, shocking the Debris Section. They decide to set out to capture debris without Fee, so that she can rest assured that the Debris Section is in good hands.

Hachimaki is at the lunar hospital to receive treatment for a leg wound. There, he encounters a girl named Nono. Tanabe seems a little upset that the two seem to have hit it off. Hachimaki soon learns the truth about Nono.

Hachimaki, Tanabe, and Fee arrived at their long-awaited vacation on the Moon. Tanabe can’t contain her excitement. Hachimaki is roped into helping Tanabe find an apartment. When they arrive at her chosen apartment, it turns out to be a sketchy building with horrible neighbors.

Hachimaki’s team gets a long-awaited vacation on the Moon. Being her first time there, Tanabe is excited. The ferry trip is four days long. Along the way, Hachimaki encounters a girl named Sia, and they bond over spaceships. On the third day of their ferry trip, Hachimaki is caught up in an incident.

The son of the INTO chairman arrives to learn about debris collection. Annoyed by his snobby behavior, Hachimaki attempts to turn him away, but he relents when the others convince him to play nice with the chairman’s son. After a while of tolerating his impudent behavior, Hachimaki finally snaps at a particularly arrogant remark.

Tanabe writes a will in case something were to happen to her in space. She briefly considers using Hachimaki’s will as a reference but is disappointed at its lack of substance. What should she leave behind when she dies? Toy Box collects the coffin of a space pilot who was buried in space 50 years ago. Just as the crew is about to return it to space, Tanabe does the unthinkable.

The Von Braun’s departure is approaching. Hachimaki and Tanabe visit the Debris Section. The team make an excuse for the two to go out into space.

Hachimaki is selected to board the Jupiter exploration vessel, the Von Braun. He visits Technora for the first time in a while and learns that Tanabe is back on Earth. Hachimaki heads home one last time before his voyage to Jupiter but ends up in an accident on his way to visit Tanabe.

The Space Defense Front’s terrorist activities endanger the Von Braun. There, Tanabe finds a wounded Claire. The two escape in a rescue pod but end up stranded on the lunar desert. Carrying Claire, Tanabe walks to the nearest establishment. Claire insists that she be left behind.