Arc 1The Farol Islands Campaign

Mousse helped Katakuri and the Charlotte siblings develop their abilities, then joined them in defending the Farol Islands from a Navy invasion. After Katakuri defeated Borsalino, the Charlotte Family…

Chapters 1–2525 summaries

Arc 2Big Head and the Navy’s Shadow

Mousse helped Charlotte Linlin create Big Head, a flying Poneglyph Homie whose scroll form could cut through formidable defenses, while gathering intelligence about the World Government and CP0. The…

Chapters 26–5025 summaries

Arc 3The King's Fist and Mind's Eye

Mousse helped Oven awaken his Heat-Heat Fruit and learned the King's Fist technique while studying Haki and discovering his own ability to perceive weaknesses. The stretch ended with Linlin…

Chapters 51–7525 summaries

Arc 4The Fall of Marine Branch G1

Mousse strengthened the Charlotte Family and devised a secret plan to strike Marine Branch G1 before the Marines could concentrate their forces. The attack devastated the fortress, drove Sengoku into…

Chapters 76–10025 summaries

Arc 5The Tea Party Trap

Mousse helped the Charlotte Family navigate the threat of the Marines while Katakuri grew stronger and prepared to counter Borsalino. At the Tea Party, Garp arrived with Kuzan, and the Marines’ plan…

Chapters 101–12525 summaries

Arc 6Mousse Visits Ohara

After the Marines withdrew from Totto Land, Mousse helped restrain Charlotte Linlin and learned how his siblings were coping with the aftermath. He then traveled to Ohara, where he befriended Nico…

Chapters 126–15025 summaries

Arc 7Ohara’s Fall

Mousse’s efforts to protect Robin and Ohara led him to uncover more about the Poneglyphs and arrange an evacuation to the Flower Kingdom. The Navy destroyed Ohara, and Mousse sent Amon to confront the…

Chapters 151–17525 summaries

Arc 8The Flower Kingdom’s Hidden History

Amon destroyed the Buster Call fleet while Mousse helped the Ohara scholars find refuge and uncovered the Flower Kingdom’s oppression. Li Dayong’s account revealed the kingdom’s ancient wars and its…

Chapters 176–20025 summaries

Arc 9Flower Kingdom and Totto Land

Mousse helped Li Dayong revive the Flower Kingdom’s resistance, then investigated its martial arts and brought Huo Lisha to Totto Land. Back home, he supported his siblings’ training and discussed…

Chapters 201–22525 summaries

Arc 10The Wano Campaign

Mousse advanced his research and expanded his power while helping Katakuri challenge Kaido in Wano. After learning about Kaido’s past and leaving Little K with Yamato, Mousse infiltrated the battle…

Chapters 226–25025 summaries

Arc 11Wano’s Fall and Totto Land’s Rise

Mousse failed to save Oden and Toki, but rescued their children and helped the Scabbards escape Wano. Back in Totto Land, he strengthened his family’s power, pursued new research and alliances, and…

Chapters 251–27525 summaries

Arc 12The Thunder God Rises

Mousse expanded Totto Land’s scientific and military strength, recruited allies, and helped Katakuri awaken the Rumble-Rumble Fruit. As Mousse began handing off his responsibilities, he delayed his…

Chapters 276–30025 summaries

Arc 13Revolution and Rising Powers

Mousse trained Kuina and Zoro, negotiated with the Revolutionary Army, and helped save Fisher Tiger while guiding Fish-Men toward Totto Land. As the Flower Kingdom defeated the World Government’s…

Chapters 301–32525 summaries

Arc 14Uranus and the New Order

Mousse’s family and allies faced the World Government’s use of Uranus, and he destroyed Mary Geoise after the weapon devastated West Blue. As the world’s powers reshaped their territories, Mousse…

Chapters 326–35025 summaries