1Please Let Me Call You Big Sister!
Nono, a young girl from the country, moves to the big city in order to achieve her dream: becoming a space pilot!
2I Don't Want to be Your Big Sister!
Mars' Space Force isn't happy about space monsters showing up on their doorstep, and they blame the Fraternity.
3I Hate the Topless!
Tycho wrecks her Buster Machine, ruining her chance to reach top. Not to worry--there's another Buster Machine in the works.
4Resurrection!! The Legendary Buster Machine!
Nono's despair grows as her certainty that she'll get a Buster Machine fades.
5Mover of Planets
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.
6The Story of Your Life
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?