Episode 5.5: unaired episode included on the 3rd DVD/BD disc.
Humanity has successfully colonized all the planets in the Solar System, with intentions to continue into new frontiers. Individuals live stable lives in these colonies, including young high school students living in 4th Tokyo on Mars. Two of these students are Iris Shirazaki and Mizuki Sera. Iris is finishing her last year of high school while studying to…
Everyone at the Kirishina Academy is waiting for the new transfer student. Just who in the world is he, and why is he not there yet?
The transfer student, Nagisa Kiryu, is finally introduced to the other students. They can't help but feel that he is hiding something…
There is a new person at A-TEC. She is from Budget Control in Accounting. What kind of changes will she make? Will Kaito and his students be okay with these changes?
Kaito seeks the backing of the Kirishina Corporation's union to try and avoid downsizing. Unfortunately for him, Nagisa knows precisely how to handle the situation.
The students are having fun on their well-deserved graduation trip. However, Nagisa is still determined to put an end to A-TEC.
Nagisa rejects a request for additional funding, telling Kaito that with his back against a wall, he should become more innovative. Later, Nagisa fails the class exams, criticizing the subjects taught in the class. Nagisa fails the makeup…
While the students are finishing up the X-3 engine, they realize they need a final, very expensive piece. Angelina (a.k.a. Hanako Hattori) and Iris attended a pilot conference, and miss their flight back to Mars. Nagisa arranges for the…
With general elections coming up, the two largest political parties, Seimin and Oozora, use favors within Kirishina to rally support for their respective candidates. The students prepare their attraction for the upcoming school festival,…
The day before the general election, Nagisa contacts Director Yuji Kiryu, telling him to turn on the TV and that his plan is now underway. The candidate for the Seimin party, Furabayashi, moved over to the Oozora party, to most people's…
Nagisa is added to the board of directors, taking Yuji's spot. The A-TEC class comments on Nagisa's recent actions, unsure how to feel, while Kaito encourages them to continue pushing for A-TEC's survival. Nagisa discusses the internal…
While Mizuki begins to nurse Iris back to health in a hospital, Dr. Jason Li finds Kaito, and brings him to a secret research facility. CEO Kazuhisa tells Nagisa his plan to open a military weaponry division, but that he needs Nagisa,…
Nagisa wakes up and finds himself in dark room, after that he is verbally abused by Yūji. Hanako goes to see CEO Kazuhisa in person, but she then realizes that only the A-TEC team members can solve this problem by themselves. ATEC's…
Nagisa is on course to collide with a satellite! Iris is the only pilot who can save him, but she has to overcome her own fears first!
