Studio unknown · OVA

In the midst of a global crisis as the supercomputer that manages the earth's energy has seized control of all global functions and reduced humanity to the level of hunters and gatherers, a young smuggler and his robot sidekick rescue three high-class girls stranded on their way home from their school on the Moon and then a mysterious alien and his translation cat. Can this motley crew uncover the mystery of the supercomputer's actions and save humanity?