In the near future, Japan was struck by a catastrophe of unknown origin. Five years later, as Japan is undergoing reconstruction, two young researchers at a university are putting everything they have into developing a robot... **Note**: The manga tells the story of what happens up until the birth of Astro Boy and it can be considered an "episode zero" story. ---**Links:** - [Kasahara's Twitter](https://twitter.com/tetsurokasahara) - [Anime on ANN](https://www.animenewsnetwork.com/encyclopedia/anime.php?id=18989)"