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One Piece - Defeat Him! The Pirate Ganzack (ONE PIECE 倒せ! 海賊ギャンザック Wan Pīsu taose! Kaizoku gyanzakku?) is a novel tie-in adapting the Defeat Him! The Pirate Ganzack OVA. It was written by Tatsuya Hamazaki, and released on July 3rd, 1999 in Japan.


The novel almost directly adapts the OVA of the same name, though with a few added information and scenes. Nothing in the OVA is changed in the novel, only expanded upon.

Source Differences

  • The novel adds scenes of Nami meeting Ganzack for the first time, after Luffy is saved by Medaka. After the being taken by Plesiosaur, she was brought to Devil's Tower to join the crew, with Ganzack promising to make Nami "his woman". She recognized his name, questioning him about his Beli.png10,000,000 bounty. They are later interrupted by Alto and Chico, who described being defeated by Luffy, and Nami informs Ganzack of Luffy's abilities.
  • When Skid mentions Ganzack for the first time, Zoro recognizes his name, stating that he previously had a bounty of Beli.png8,000,000.
  • After being captured by the Ganzack Pirates, Luffy, Zoro, and Medaka are brought to a prison, where they meet Herring. He informs them of Medaka's mother, a pirate who washed up on the island. She was later killed by her former crewmates while they raided the island, causing Medaka's hate for pirates.
  • After rescuing Nami rescues Luffy and Zoro, Ganzack attempts to convince her to betray them and join him again. He asks her a few times, though she declines every time.


The novel uses screenshots from the OVA for visuals throughout the book.


  1. One Piece - Defeat Him! The Pirate Ganzack: Shueisha

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