Kōichirō Yasunaga (安永航一郎, Yasunaga Kōichirō; January 13, 1962) is a Japanese manga artist who made his debut in Shōnen Sunday in 1980. He is best known for his manga titled Prefectural Earth Defense Force.
Source: “Kōichirō Yasunaga”, English Wikipedia (CC BY-SA 4.0), excerpt
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