Aoi Mitsukuni's life becomes exponentially more complicated when he discovers that not only is his mom an alien, but she's the notorious Space Pirate Mito to boot!
Aoi is in denial of the fact that his mom looks like a little kid and tries to avoid her. Meanwhile, Mito is determined to get him to acknowledge her as his mother.
Sabu and Shin decide to test Aoi's powers. Meanwhile, a cute blonde girl transfers into Aoi's class. Little does Aoi know she's really a secret undercover agent for the Galactic Patrol!
The Galactic Patrol is heads to Earth to find and arrest Mito. Meanwhile back on Earth, Masatsuki carries out his own plans to capture Aoi and deliver him to Ranban.
With Aoi in his clutches, Ranban reveals the truth behind his connection to Mito. Meanwhile, against the pleas of her crew, Mito agrees to turn herself in exchange for Aoi's freedom.
Masatsuki discovers that his dream job in the Special Forces isn't living up to his expectations. Meanwhile, Ranban confronts Mito about their shared history.
It's an all-out battle in Amanohara as Ranbans forces face off with Mito's pirates. Meanwhile, Aoi is trying to reach his mom without being captured by the Nenga siblings.