Outside the solar system, there is a small planet where a child lives named Robo. He hoped that his desire to have a friend would be fulfilled every day, but one day the mysterious humanoid rabbit Usakichi fell from the sky. Usakigi said he was a quick fugitive from the army. To get a spacecraft and be able to continue to run away, he became friends with Robo. But the army caught up with Usakichi! Robo wanted to protect his first friend Usakichi, so in the hope of saving Usakichi, he used the subject that his late father forbade him to do! Saving your friend, Robo discovered that this object is able to destroy the planet! Using a large model and exciting artwork, adventure in the space traffic film is about to begin!