I-Machines are the general term for robots that operate in extreme environments. While Alliance Academy student Maya Mikuri is in the middle of operating an I-Machine, she gets involved in an incident with pirates, and ends up serving as a crew member on an excavation company's spaceship.

• Kazuyuki Okitsu
• Minami Tsuda
• Hisako Kanemoto
• Reina Ueda
• Masaya Matsukaze
• Sayaka Ohara
• Rikiya Koyama
• Ari Ozawa