Cyborg Grandpa-G
Manga
Cyborg Grandpa G is a Japanese manga by Shigeru Hijikata. After one-shots in 1987 and 1988, it was serialized in Weekly Shōnen Jump (Shueisha) in 1989 for 31 chapters. It was collected in 4 volumes, with 2-volume reissue and paperback editions.
Translated from the Japanese Wikipedia article, available under CC BY-SA 4.0. Translated and shortened by ManhWatch AI; may contain errors.