Chapter 21: Going Merry
* The Straw Hat Pirates set sail on their new ship, Going Merry, which they found in Usopp's village after it was abandoned by Kaya's butler, Merry.
* Luffy and Usopp bond over their love for adventure, while Zoro and Sanji argue over cooking duties.
* A bird delivers a message from Arlong, a fish-man pirate who has been terrorizing the inhabitants of Conomi Islands.
Chapter 22: The Arlong Pirates
* The Straw Hats encounter Arlong's crew, who are threatening to attack Nami's village if she does not pay their extortion money.
* Arlong reveals that he killed Nami's adoptive mother and forced her to draw maps for his pirate group.
* Nami confronts Arlong, determined to protect her village from his tyranny.
Chapter 23: Luffy vs. Arlong
* Luffy challenges Arlong to a duel to free Nami and the villagers.
* The battle is intense, with Arlong using his fish-man abilities to gain an advantage.
* However, Luffy's determination and fighting spirit prevail, and he ultimately defeats Arlong.
Chapter 24: Nami's Freedom
* With Arlong's defeat, Nami and the villagers are freed from his oppression.
* Nami decides to join the Straw Hat Pirates, hoping to find true friendship and adventure.
* The crew celebrates their victory and sets sail for the next island.
Chapter 25: Johnny and Yosaku
* The Straw Hats encounter two bounty hunters, Johnny and Yosaku, who have heard about their exploits against Arlong.
* They decide to join forces with the Straw Hats to pursue their own dreams.
* The crew sails to Loguetown, the last island before the Grand Line, where they encounter the infamous pirate captain, Buggy.
Chapter 26: Buggy the Clown
* Buggy, a member of the Shichibukai, the Seven Warlords of the Sea, challenges Luffy to a duel.
* The battle is comedic and chaotic, with Buggy's devil fruit ability allowing him to manipulate his body.
* Despite Buggy's attempts to deceive and manipulate the Straw Hats, Luffy eventually defeats him.
Chapter 27: Farewell to Loguetown
* The Straw Hats bid farewell to Johnny and Yosaku and set sail for the Grand Line.
* Before they depart, they encounter Smoker, a Marine captain who warns them of the dangers ahead.
* Luffy remains undeterred and declares his ambition to become Pirate King.