The Strange Birthday Present

On his most recent birthday, Astro Boy received an amazing gift-something he had always wanted... a little sister! She was a gift of Doctor Packaderm us J. Elefun, head of the Institute of Science, and she was the image - the very image - of Astro Boy, but with pigtails.

アトムは誕生日に、お茶の水博士から妹･ウランをプレゼントされる。ウランはとてもかわいい女の子だがおてんばで、飛び入り出場したロボットの試合で連戦連勝する。アトムはウランが起こす騒ぎでてんてこ舞い。