Perceived as strange and alien, inferior and grotesque. These are beings that appear entirely unlike flora and fauna familiar to us. Since time immemorial, man has feared the misshapen ones. Over time, they came to be know as Mushi.

The appearance of Mushi can cause grave harm to humans, and only a select few humans know of their existence and can see them. Ginko, a Mushi-shi, travels the land to investigate the Mushi. But his special ability comes at a price: he cannot stay at any place for too long, or the Mushi will congregate there, endangering those close to him. So, the gentle and wise man must keep on traveling, trying to resolve Mushi-related supernatural occurrences.

— written by foo2

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Prequel: Mushishi Zoku Shou
Sequel: Mushishi Zoku Shou: Suzu no Shizuku