Shrunken down to nanoscale, a professor and a scrappy kid end up inside a human body, where they must rely on their wits and knowledge to survive!
Kei (voice)
Akira Ishida
Pipi (voice)
Megumi Han
Geo (voice)
Satsumi Matsuda
Dr. Brain (voice)
Hiroshi Iwasaki
Narrator (voice)
Hiroki Touchi
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