Guko is a cowardly monk, and the main protagonist of Eiichiro Oda's one-shot Ikki Yako. He eventually gains courage after defeating the Hitokui who killed his master, Koshin. (Source: One Piece Wiki)
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Guko is a cowardly monk, and the main protagonist of Eiichiro Oda's one-shot Ikki Yako. He eventually gains courage after defeating the Hitokui who killed his master, Koshin. (Source: One Piece Wiki)
