The first spy in history is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading The first spy in history chapters on viptoon.net, fastest updating comic site. The Summary is
The psychiatric hospital exploded, Dean Yun Zhonghe transmigrated to another world, and 29 talented patients from the psychiatric hospital entered his brain, giving him 29 strange talents! Join the adventure of the great spy inside the enemy country! three years later… if I don’t get my identity back, I’ll become the emperor of the enemy country!