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?

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.

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

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

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

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