Synonyms: Genshi Shonen Ryu, Ryu the Ancient Boy, Primitive Boy Ryu
Published: Feb 1971 to Jul 1971
Serialization: Shounen Champion (Weekly)
Authors: Ishinomori, Shoutarou (Story & Art)
Score: N/A1 (scored by - users)
1 indicates a weighted score.
2 based on the top manga page. Please note that 'R18+' titles are excluded.