Kawari Ooi ni Warau!

カワリ大いに笑う!

Japan's proud secret intelligence agency Jasper has Kawari, a trickster who is a master of disguise and has a thousand faces. The order given to Kawari and his friends, who are highly respected by spies around the world, is to protect the New Black Box, an underground nuclear test detector invented by a certain scientist. In addition to the US CIA intelligence group led by Jackie, even a Soviet special agent led by Major Stamuykov participates in the war, and the three-way spy war continues endlessly. What is the terrifying truth hidden within the New Black Box?

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