Prequel manga spinoff of [i][[Tetsuwan Atom]][/i], focusing on [[Tenma Umatarou]] and [[Professor Ochanomizu]] in their youth as they attempt to develop a robot with true autonomy.

h3. Characters

h4. A10 series
* [[A101]] ("Hal")
* [[A102]] ("Jirou")
* [[A103]] ("Kobu-kun")
* [[A104]] ("Poochie")
* [[A105]] ("Chorogi")
* [[A106]] ("Six")
* [[A107]] ("U-ran")

h4. Other Robots
* [[mars (atom: the beginning)|Mars]]
* [[north (atom: the beginning|North]]

h4. Humans
* [[Tenma Umatarou]]
* [[Ochanomizu Hiroshi]] (Professor Ochanomizu)
* [[Ochanomizu Ran]]
* [[Tsutsumi Moriya]]
* [[Tsutsumi Motoko]]
* [[Ban Kensaku]]
* [[Ban Shunsaku]]

h4. External Links
* "Official Site":http://www.heros-web.com/works/atom
* "Anime Site":http://atom-tb.com/
* "Anime Twitter":https://twitter.com/atomtb_anime
アトム・ザ・ビギニング アトムザ・ビギニング アトムザビギニング