Taku and Frank

After defeating the Peacekeeper, Astro prepares for a new challenge: being the first robot in history to go to school. Despite the pressure this brings, he has the support of his family and friends. Still, Astro can't help but feel nervous when confronted by the other kids now that the world knows he's a robot. Things get more complicated when new enemies rise from the grave, and an eight-year-old kid gets in the middle of the conflict; what's his role in all this? And can Astro protect his loved one from this new threat?