Noriko Takaya has spent barely had a month at a training school for giant robots. The school announces they are going to select two candidates to go to the Exelion spaceship for the real missions to f…

Noriko and Kazumi arrive at the space fleet led by the space battleship Exelion. The girls get introduced to a hot shot female fighter named Jung Freud. During one of their mech training sessions, Jun…

The Exelion prepares to jump through hyperspace. All the girls and guys are confined to their quarters during the mission, but Noriko loses a dare game, and has to wander off in the dark. She is surpr…

The fleet advisor tells Captain that the aliens are going to attack Earth. Coach has been training Noriko, but Jung wants to test Noriko by challenging her to a duel. Noriko is still shaken from the d…

Kazumi and Noriko return to Earth for their high school graduation. Even though they are still teenagers after all these months in space, the Earth has aged ten years. Noriko meets up with her friend …

Fifteen years later, Kazumi is called to another mission, to detonate a black hole bomb in the enemy's home galaxy. She joins Noriko and Jung as they pilot the Gunbusters to their final destiny that c…

Nono, a young girl from the country, moves to the big city in order to achieve her dream: becoming a space pilot!

Mars' Space Force isn't happy about space monsters showing up on their doorstep, and they blame the Fraternity.

Tycho wrecks her Buster Machine, ruining her chance to reach top. Not to worry--there's another Buster Machine in the works.

Nono's despair grows as her certainty that she'll get a Buster Machine fades.

After the Titan incident, the world has changed. Topless are a disease, and humanity's last hope for salvation is the least likely person in the Sol System.

With the survival of humanity itself at stake, one desperate plan remains: the sacrifice of the Earth, to strike at the beast! But where is Buster Machine #7?