ビッグX 付録 [Big X Furoku / Big X Supplement]

手塚治虫's Big X Supplement ran from 1962 to 1965 as a five-issue series from Shueisha, expanding the world of his earlier Big X manga. These supplementary comics delve deeper into the story of the super-soldier serum and its impact, showcasing Tezuka's signature blend of science fiction and human drama. A compact but significant addition to the Big X saga, it offers fans a tighter, focused exploration of the series' core themes.