 After graduating from junior high school, Saito decided to become a manga artist, influenced by movies like "King Kong" and "War of the Worlds".He debuted with his first manga "Baron Air" in 1955.In 1958 he moved to Tokyo, where he started a "comic story atelier" (劇画工房) together with seven other artists (Masahiko Matsumoto, Aki Masa Sato, Fumi Ishikawa Yasu, Masaru Sakurai, Susumu Mon, Tsu Motomi, Qi Mahi).