All Digital Editions of the Manga Have Been Delisted as of 2019

(from ebookjapan):
It is the era of the Cold War between the two superpowers. Even Japan, which does not possess nuclear weapons, carries out research to avert a crisis, and finally completes an "automatic missile control reversal device. However, the inventor, a member of the research institute, has disappeared along with the blueprints. He is tracked down and the blueprints are recovered. This was the mission given to Japanese secret agent 003, known as "Unit 00." ...... ──── includes the first part of a spy war between the U.S., China, and the Soviet Union, and the second part of a confrontation with a mysterious ninja who is a master of hypnosis and telekinesis!