Arc 15Fish-Man Island’s Buried Past

The Straw Hat Pirates reached Fish-Man Island, where a prophecy and false accusations set them against Ryugu Kingdom while Vander Decken targeted Shirahoshi. Jinbe recounted the island’s history and confessed his role in Arlong’s release, leaving him kneeling before Nami as Hody’s planned attack loomed.

  • Merry helped a girl deliver a letter to Nami as the Straw Hat Pirates escaped the Marines and dove beneath the sea.
  • Smoker exposed corrupt Marines, was assigned to the G5 Branch, and learned that Xi Yan had joined the crew, and Ace and Sabo reunited with Dadan in Windmill Village.
  • Xi Yan and the crew crossed the deep sea, defeated the Kraken, and reached Fish-Man Island after fighting off Hamon and the New Fish-Man Pirates.
  • Luffy, Xi Yan, and their companions met Camie and learned that Jinbe had left the island, while Madame Shyarly foresaw Luffy at the destruction of Fish-Man Island.
  • Luffy and Xi Yan found Shirahoshi in Hard Shell Tower, learned Vander Decken had been attacking her, and helped her leave the tower for the Sea Forest.
  • The Straw Hat crew fought Ryugu Kingdom’s soldiers, reunited at the Sea Forest, and learned from Jinbe that Hody planned to attack the island.
  • Jinbe recounted Otohime and Fisher Tiger’s efforts, Fisher Tiger’s death, and Arlong’s departure from the Sun Pirates after Jinbe became a Shichibukai.
  • Jinbe revealed that Otohime had been murdered while gathering signatures, and Xi Yan suspected Hody had framed a human, and Jinbe admitted he had failed to uncover Arlong’s crimes and offered Nami his life.
Chapters 352–376 Vol. 4 Read

Ch. 352A Letter from a Fan

Brook reunited with the Straw Hat Pirates after two years, and they fought off Navy warships as they prepared to sail for the New World. Before the Thousand Sunny departed, Merry delivered a fan's letter to Nami and helped the girl receive a reply from her idol.

  • Lorr brought Brook to the Thousand Sunny, where he reunited with the crew and recognized Xi Yan despite his disguise.
  • Merry returned the Navy's cannon fire, and Usopp destroyed more incoming cannonballs while Nami prepared the coated ship to dive.
  • Merry disabled pursuing warships by destroying their sails as the crew began setting out to sea.
  • Merry heard that a girl wanted to deliver a letter to Nami, then used the wind to help her send it despite Navy soldiers blocking her.
  • Merry carried the letter to Nami, who thanked the girl and told her she liked the letter and hoped she would live the life she wanted.

Ch. 353Playful Nami, This Is a Little Secret Between Girls~

Nami kept her fan letter secret as the Straw Hat Pirates set sail for Fish-Man Island, escaping the Marines. Smoker arrived too late to stop them, then learned the Marines had detained a girl suspected of ties to the crew and ordered to see her.

  • Nami refused to show Luffy her fan letter, calling it a secret between girls, while Chopper imagined having fans of his own.
  • Franklin returned to the Thousand Sunny, Merry lowered the sails, and Usopp destroyed the distant warships' gun turrets.
  • Luffy thanked his partners for supporting his decision to wait two years, then ordered everyone to set sail for Fish-Man Island.
  • The Thousand Sunny plunged beneath the sea, and the Marines reported that the Straw Hat Pirates had escaped; the Rear Admiral privately regretted losing cute Chopper and the trainee.
  • Smoker raced toward Tree 42 while Tashigi and the Marines followed, but he learned the Straw Hat Pirates had already gone to Fish-Man Island.
  • Smoker heard a girl shouting and learned that the Marines had captured her as a suspected Straw Hat spy, so he ordered the Rear Admiral to take him to her.

Ch. 354Justice Is More Than Just a Word

Smoker freed a girl who wanted to thank Nami, then arrested Marines who had framed her to cover up their failure. In the New World, Galette recognized Xi Yan in a photograph of the Straw Hat Pirates and Katakuri agreed to seek contact once they arrived.

  • Smoker questioned the girl, believed her explanation, and ordered the Marines to let her go despite their objections.
  • Smoker exposed the Marine Rear Admiral and Marine Captain for framing a civilian, then had Tashigi arrest them after they tried to flee.
  • Smoker and Tashigi decided to return to headquarters before pursuing the Straw Hat Pirates into the New World.
  • Galette learned that the Straw Hat Pirates were heading toward Fish-Man Island but that no one had seen Xi Yan.
  • Galette identified Xi Yan in a photograph of the crew, and Katakuri agreed to look for a chance to contact them after they entered the New World.

Ch. 355Dadan, Weeping Tears of Joy: You Little Brats Are Alive—Thank Goodness

Smoker reported corrupt Marines to Sakazuki, then secured permission to pursue the Straw Hat Pirates from G5. Meanwhile, Ace and Sabo returned to Windmill Village to reunite with Dadan, while Garp and the Navy watched from nearby.

  • Smoker told Sakazuki that a Commodore had abused civilians and colluded with pirates, and Sakazuki ordered the guilty Marines executed.
  • Sakazuki and Smoker discussed the Straw Hat Pirates’ new members, including the Moku Moku no Mi user and Perona, before Sakazuki assigned Smoker to command the G5 Branch.
  • Sengoku learned that Garp had returned to the East Blue after the Spade Pirates appeared there, and he destroyed the report to keep the information quiet.
  • Ace and Sabo arrived at Windmill Village, while Marco’s crew spotted Garp’s warship and chose not to provoke the Marines.
  • Dadan confronted Garp over his failure to save Ace and Luffy, then joyfully welcomed Ace and Sabo and learned that Sabo had recovered his memories.
  • Garp stayed back as Dadan embraced Ace and Sabo, who thanked her for raising them like a mother.

Ch. 356Usopp's Shock: Xi Yan Can Do That Too?!

Ace reunited with Garp and Sabo in East Blue, while the Five Elders plotted to eliminate the Straw Hat Pirates. As the crew descended toward Fish-Man Island, Sanji broke through the coating after seeing Nami, but Xi Yan rescued him and the crew learned how to protect their ship.

  • Garp surprised Ace and Sabo, insisted Sabo call him Grandpa, and joined them and Dadan for a reunion meal.
  • The Five Elders discussed the Straw Hat Pirates’ return, assigned Smoker to hunt them, and ordered Perona captured alive.
  • Usopp and Chopper feared the crew would be lost in the deep sea, and Merry and Luffy revealed that Xi Yan had controlled Sea Kings before.
  • Luffy and Zoro threatened the coating while trying to reach fish, and Sanji burst through it after seeing Nami; Xi Yan brought him back and Chopper gave him a transfusion.
  • Xi Yan suggested Perona use Negative Ghost on Sanji to keep him from losing blood, and Nami explained how the coating could be damaged as the crew continued its descent.

Ch. 357Xi Yan's Proposal, Mangekyō Sharingan Healing Method~

Xi Yan offered Franky, Zoro, and Sanji three unknown Devil Fruits, but they all refused, while Nami discussed her Cloud Cloud Fruit abilities. As the crew continued toward Fish-Man Island, Xi Yan began treating Sanji’s nosebleeds with Mangekyō Sharingan illusions and Perona’s Negative Ghosts, and Sanji eagerly asked him to repeat the treatment.

  • Luffy and Zoro nearly endangered the ship’s coating by attacking sea beasts, so Usopp and Chopper stopped them before Xi Yan shared food from Daughter Country.
  • Xi Yan offered three unidentified Devil Fruits to Franky, Zoro, and Sanji, but all three declined; he sent a clone to deliver the fruits to Shakky-jie and revealed that he had around thirty billion Beli.
  • Nami said the crew needed to grow stronger before the World Government discovered Xi Yan was alive, and she explained that her Cloud Cloud Fruit could produce clouds.
  • Luffy considered using a sea beast to pull the ship, but Nami and Usopp warned him of the risks, while Xi Yan reassured them that he could handle any trouble.
  • Xi Yan proposed treating Sanji’s nosebleeds with stimulating illusions, and Chopper agreed to try the risky method with Perona ready to calm Sanji.
  • Xi Yan used a Mangekyō Sharingan illusion on Sanji, whose nosebleed stopped after Perona’s Negative Ghost; Sanji then asked Xi Yan to repeat the treatment.

Ch. 358Please Keep This Secret...

Xi Yan’s treatment left Sanji stable as the crew continued their descent toward Fish-Man Island and learned about the deep-sea currents. The Thousand Sunny reached a vast Descending ocean current, and the crew prepared to ride it down.

  • Xi Yan left Chopper to watch over Sanji while the crew discussed the deep-sea route, cold temperatures, and dangerous currents.
  • Brook told the crew legends about monsters in deep currents, and Perona made Zoro promise to catch one for her if they found any.
  • Sanji recovered from another illusion without a nosebleed, and Xi Yan kept the details of his treatment secret.
  • Nico Robin noticed that the current had changed, and the crew gathered to see a waterfall-like Descending ocean current at least a thousand meters wide.
  • Franky assured Nami that the Thousand Sunny could withstand the descent and that Xi Yan could protect them, so Luffy led the crew toward the current.

Ch. 359Special Water Release Technique, One More Enchantment!

Xi Yan discovered the Kraken beneath the underwater waterfall and gave Luffy, Zoro, and Sanji resin-enhanced Water Release membranes so they could fight it underwater. After they defeated the beast, a powerful current swept the three away, so Xi Yan sent clones to search for them and guided the Thousand Sunny safely down the current with a Water Dragon.

  • Xi Yan spotted a gigantic octopus clutching shipwrecks, and it emerged as the Kraken and attacked the Thousand Sunny.
  • Xi Yan used Water Release to repel the Kraken, then enchanted Luffy, Zoro, and Sanji with membranes that let them breathe and move underwater.
  • Sanji burned and kicked a tentacle, Zoro severed another, and Luffy defeated the Kraken with a Gear Third punch.
  • A powerful current swept Luffy, Zoro, and Sanji into the abyss before they could return to the ship.
  • Xi Yan created a Shadow Clone and a Wood Clone to search for the missing trio, then used a Water Dragon to protect the Thousand Sunny as it descended through the current.

Ch. 360Chopper Was Dumbfounded—They Could Just Die Like That?

The Thousand Sunny searched the deep sea for Luffy and the others while Xi Yan demonstrated his immortality and the crew encountered dangerous sea creatures. After Perona subdued a Lantern Fish, an even larger creature appeared before the ship.

  • Xi Yan explained that his Shadow Clone had been destroyed by a black shadow, while his Wood Clone had pursued Luffy and the others with a Permanent Log Pointer to Fish-Man Island.
  • The crew followed the current toward Fish-Man Island, used Franky's chest light and the ship's searchlight to search for their missing crewmates, and escaped a school of enormous fish.
  • Xi Yan touched a poisonous jellyfish tentacle to show Chopper its venom, then revealed that his immortal body had made his apparent death a trick.
  • The crew approached smoking Underwater Volcanoes and hurried onward as Nami warned that they might erupt.
  • A Lantern Fish charged at the Thousand Sunny, but Perona's Negative Ghost made it sink away in despair.
  • An enormous creature, far larger than the Lantern Fish, appeared in front of the Thousand Sunny.

Ch. 361Perona's Excitement, Xi Yan Left Speechless, You Two Really Can Get Along

The Thousand Sunny encountered a Ghost Ship and Vander Decken’s crew as an Underwater Volcano threatened to erupt. Xi Yan used his Water Release to carry the ship and Kraken toward the trench leading to Fish-Man Island, while Luffy and Perona hoped to meet ghosts again.

  • Ryūgū struck the Lantern Fish for trying to eat the Thousand Sunny, while Brook identified the approaching ship as Vander Decken’s centuries-old Ghost Ship.
  • Vander Decken ordered Ryūgū to sink the Thousand Sunny, but Kraken arrived with Luffy, Zoro, and Sanji aboard and beat Ryūgū back.
  • Nami warned that the Underwater Volcanoes were about to erupt, so Perona stopped Zoro and Sanji’s fight and Luffy had Kraken carry the Thousand Sunny away.
  • The volcano erupted behind them as the Ghost Ship fled, and Nami pointed out the trench leading toward Fish-Man Island.
  • Xi Yan summoned the Water Dragon with his Water Release—Super Water Dragon Bullet Technique and carried Kraken and the Thousand Sunny quickly toward the trench.

Ch. 362Deep-Sea Crisis, Xi Yan Was Amused by Their Audacity—Is This How You Use a Bro's Reputation?

The Straw Hat Pirates reached Fish-Man Island, where the New Fish-Man Pirates attacked them and demanded they join. After Perona defeated their attackers, the crew blasted through the island’s outer bubble, lost their coating, and were swept into a powerful current as Xi Yan tried to rescue them.

  • The Straw Hat Pirates spotted Fish-Man Island, but Kraken fled after Hamon and the New Fish-Man Pirates appeared on the sea beasts’ heads, leaving the Thousand Sunny to crash onto a seabed sandbank.
  • Hamon confronted Luffy, citing the crew’s ties to Xi Yan and their protection of Hatchan, then offered them officer positions in the New Fish-Man Pirates; Luffy refused.
  • Perona used Negative Ghosts to incapacitate the Sea Lion, Blue Zang, and the other sea beasts, then blasted Hamon with an Exploding Ghost.
  • The crew chose to enter Fish-Man Island with the Coup de Vent, and the Thousand Sunny broke through the outer bubble, which absorbed its coating.
  • The ship plunged into the sea and the current swept the crew apart; Xi Yan freed himself with Water Release: Dance of the Swimming Fish and sent Shadow Clones to rescue his companions.

Ch. 363What's So Bad About the World of Illusion?!

After reaching Fish-Man Island, Xi Yan reunited with Camie, who had not recognized him and learned that he had faked his death. The group visited the mermaids, learned Jinbe was away and encountered the royal princes searching for illegal arrivals; as a Supernova arrived, Sanji began bleeding heavily after seeing a mermaid.

  • Luffy woke in Camie's care, and Xi Yan explained that Camie and the others had rescued them from the current while his separated crewmates had reached shore safely.
  • Camie mistook Xi Yan for someone else until he revealed his Sharinggan, then learned he was alive and promised to keep his survival secret.
  • Camie took the group by Turtle Elevator to meet her mermaid friends, where Sanji declared the mermaids his All Blue and plunged into the sea.
  • Luffy asked to see Jinbe, but Camie said Jinbe had left Fish-Man Island with the Fish-Man Pirate Crew after resigning from the Shichibukai; she also warned them about Hody's New Fish-Man Pirates.
  • Xi Yan spotted a ship from Ryugu Kingdom, and the group hid as Sharks, Star Emperor, and Sunfish Star searched for illegal intruders and heard that the Supernova Caribou had arrived.
  • As Xi Yan wondered whether Caribou had come for them, blood suddenly burst from a distant reef, and Usopp recognized it as Sanji's blood.

Ch. 364Multi-Layered Concentric Circle Patterns in Both Pupils? What Kind of Eyes Are These?!

Sanji nearly died from blood loss after seeing a mermaid, but Camie found human donors and brought the Straw Hat Crew to safety. At Mermaid Cafe, Shyarly used her Crystal Ball to glimpse a mysterious man with concentric-circle pupils and a vision of Fish-Man Island destroyed, with Luffy at the forefront.

  • Sanji’s nosebleed left him near death, and Luffy begged the Fish-Man Race to donate blood, but Kasa Keba explained that an old rule forbade them from giving blood to humans.
  • Kasa Keba’s group attacked, and Luffy fought them off with Second Gear and stopped a sea dog with Conqueror’s Haki.
  • Camie took the Ryugu to find human blood donors, and two okama saved Sanji; Luffy showed no symptoms from the poison in his wound.
  • Camie brought Luffy, Xi Yan, and Usopp to Madame Shyarly’s house, where they learned she had quit fortune-telling and that the New Fish-Man Pirates were deterring human pirates.
  • Shyarly secretly used her Crystal Ball to look into the Straw Hat Crew’s future and saw a dangerous man with concentric-circle pupils before Fish-Man Island appeared destroyed, with Luffy at the front.

Ch. 365Xi Yan's Surprise, Just How Much Does Galette's Family Love Sweets...

Nami and Merry set out to explore Fish-Man Island while Robin and Franky went their separate ways, and Perona reunited with a lost Zoro before they accepted an invitation to Ryugu Palace. Xi Yan and the others met Brook and Pappagu, learned about Vander Decken IX’s pursuit of the Mermaid Princess and Fish-Man Island’s dessert tribute to the Big Mom Pirates, then arrived at Pappagu’s lavish home.

  • Nami and Merry went shopping, Robin left to investigate the island’s history, and Franky stayed behind to work on the Thousand Sunny.
  • Perona found Zoro wandering in a Coral Forest, and Fish-Man Race soldiers invited them to dinner at Ryugu Palace because Zoro had rescued Megalo.
  • Xi Yan, Luffy, Usopp, and the others reunited with Brook and Pappagu outside the Mermaid Cafe, then went with Pappagu to his home for Sea Beast Meat.
  • Pappagu explained that Vander Decken IX had been sending threatening messages to the Mermaid Princess, prompting the royal family to hunt him.
  • Pappagu revealed that Fish-Man Island supplied desserts to the Big Mom Pirates in exchange for protection, and the group reached his enormous home on Celebrity Street.

Ch. 366Xi Yan's Complaints: Nami, You've Taught Merry Some Incredible Things

Xi Yan and the Straw Hat Pirates reunited with Nami, Merry, Camie, and Pappagu at Pappagu’s shop, where Nami haggled for clothes and then accepted the entire store as a gift. When King Neptune arrived, he invited the group to Ryugu Kingdom, and they set off together with Camie and Pappagu.

  • Pappagu welcomed Xi Yan and the Straw Hat Pirates to his castle and explained that his fashion brand had made him rich and famous.
  • Nami tried to bargain down the price of clothes while shopping with Merry, then took every item in the shop after Pappagu offered them for free.
  • Nami, Merry, and Camie reunited with Xi Yan, the others, and Pappagu, who learned that Camie had borrowed Ryugu to help Sanji.
  • King Neptune arrived and invited the Straw Hat Pirates to Ryugu Kingdom, reassuring the group that Camie and Pappagu could join them.
  • Luffy pulled Camie and Pappagu aboard Megalo, and the group set off for Ryugu Kingdom.

Ch. 367Neptune's Shock, a Living Legend!

Fish-Man Island’s soldiers suspected the Straw Hat Pirates of abducting mermaids and destroying the island, so Sharks ordered them and Caribou’s crew kept under watch while he investigated. Meanwhile, Neptune brought Luffy and the others to Ryugu Kingdom, where they learned about its wonders and Shirahoshi’s danger, but Luffy and Xi Yan slipped away before the banquet.

  • Sharks questioned the soldiers about the missing mermaids, and they reported that neither Caribou’s crew nor the Straw Hat Pirates’ ship had been found.
  • Madame Shyarly confirmed her prophecy that Luffy would destroy Fish-Man Island, so Sharks ordered the Straw Hat Pirates captured without harming them and barred Caribou’s crew from leaving.
  • Neptune thanked Luffy’s group for rescuing Megalo, brought them toward Ryugu Kingdom, and explained how Sun Tree Eve carried sunlight to Fish-Man Island.
  • Neptune revealed that Zoro and Perona had already reached the kingdom, and Merry rescued Usopp and Nami after they fell from Megalo.
  • Neptune welcomed the group into Ryugu Kingdom, where they learned Vander Decken was still harassing Shirahoshi and that she remained in the Hard Shell Tower.
  • Luffy ran off toward the smell of food, Xi Yan chased after him, and the others realized both had disappeared while the ministers spoke with Neptune.

Ch. 368Why Is This Mermaid Princess So Fiercely Adorable?

Xi Yan and Luffy entered the Hard Shell Tower and met Shirahoshi, who mistook them for attackers before recognizing Xi Yan. While hiding from the Right Minister, they learned the Straw Hat Crew had been detained on suspicion of abducting mermaids and that Vander Decken was attacking Shirahoshi; they then shared her meal.

  • Luffy followed the smell of food to the Hard Shell Tower, and Xi Yan warned him that it looked more like a place for protection or imprisonment than a banquet hall.
  • Xi Yan and Luffy entered Shirahoshi's bedroom, where she began crying and called for help; she stopped when Xi Yan revealed his identity as the Blood-Eyed Ninja.
  • Xi Yan destroyed a Plum Blossom Axe aimed at Shirahoshi, then hid with Luffy while the Right Minister questioned her; Shirahoshi concealed their presence and learned that the Straw Hat Crew had been detained over the missing mermaids and Madame Shyarly's prediction.
  • After the Right Minister left, Shirahoshi recognized Xi Yan and agreed to keep his survival secret; Xi Yan and Luffy dismissed concerns about their captured companions and suspected someone had framed them.
  • Shirahoshi explained that Vander Decken used the Target-Target Fruit to attack her with weapons, forcing her to remain inside the tower; she offered Xi Yan and Luffy her food, and they began eating together.

Ch. 369The Erupting Gale, Deep-Sea Water Tornado!

The Straw Hat Pirates were accused of threatening Fish-Man Island and fought the royal guards after refusing arrest. With Merry and Perona turning the tide, the crew defeated and bound Neptune and his soldiers, then realized Luffy and Xi Yan had gone missing.

  • The Left Minister tried to arrest Nami and the others, citing mermaid abductions and Madame Shyarly’s prophecy, but they refused to surrender.
  • Usopp, Nami, Brook, and Merry fought the Fish-Man Soldiers, with Merry unleashing a powerful water tornado that smashed through a wall.
  • Zoro and Perona arrived and joined the fight, while Merry removed the seawater from the room by expanding a Bubble Coral bubble.
  • Neptune charged Zoro but injured his own back, and Perona’s Negative Ghosts incapacitated the soldiers before Zoro tied everyone up.
  • Nami told Perona that Luffy and Xi Yan had disappeared, and Zoro argued with the others over his lack of direction.

Ch. 370Even in the Deep Sea, Fish-Men Were No Match for Xi Yan!

The Straw Hat crew captured Ryugu Kingdom’s leaders and negotiated with the Three Princes for a ship coating and help finding their missing crewmates. Nami learned Jinbe was waiting at the Sea Forest and set out with Perona, Camie, and Merry, while Luffy and Xi Yan remained with Shirahoshi in Hard Shell Tower.

  • Nami tried to get the Left Minister to reveal the treasure vault’s location, but learned he did not know where Luffy and Xi Yan were.
  • Nami’s Log Pointer and Merry’s spare both malfunctioned, and the crew realized they needed a coating worker and a way to navigate onward.
  • Zoro answered a Den Den Mushi call from Sharks and demanded a coating for the Thousand Sunny and help finding Franky, Chopper, and the other missing crew members in exchange for releasing the hostages.
  • Sharks passed on Jinbe’s message to Luffy: avoid fighting Hody and meet him at the Sea Forest; Neptune then explained Jinbe’s connection to the Sun Pirates.
  • Nami reacted angrily when she realized Arlong had also borne a sun tattoo and decided to go to the Sea Forest to speak with Jinbe, accompanied by Perona, Camie, and Merry.
  • Luffy and Xi Yan continued eating Shirahoshi’s lunch in Hard Shell Tower, where Shirahoshi asked Xi Yan about the sun, stars, forests, and life beyond Fish-Man Island.

Ch. 371Taking Someone's Daughter Away the Moment We Arrive... Isn't That a Little Bad?

Luffy and Xi Yan took Shirahoshi out of the Hard Shell Tower for a trip to the Sea Forest, while their companions dealt with trouble elsewhere on Fish-Man Island. After Hatchan warned Sanji that Hody was about to attack Ryugu Kingdom, Sanji decided to find Luffy and the others after helping Chopper treat Hatchan.

  • After Luffy and Xi Yan encouraged Shirahoshi to leave the tower, she agreed to visit the Sea Forest and hid inside Megalo's mouth while the two men used bubble techniques to protect themselves.
  • Megalo smashed through the tower's gate and carried Shirahoshi, Luffy, and Xi Yan toward the Sea Forest as Brook and the Right Minister discovered that Shirahoshi was gone.
  • Chopper fought off Fish-Man Soldiers who tried to arrest him and Sanji, while Sanji attacked them and insisted on going to Ryugu Kingdom to see the Mermaid Princess.
  • Chopper and Sanji found Hatchan badly wounded with arrows in his back, and Hatchan warned them that Hody was about to attack Fish-Man Island and Ryugu Kingdom was about to fall.
  • After Hatchan lost consciousness, Sanji told Chopper to treat him and planned to find Luffy and the others.

Ch. 372Shirahoshi's Eyes Sparkled with Little Stars—Lord Xi Yan Is Amazing!

Xi Yan and Luffy found Sanji, Chopper, and the injured Hatchan, then rescued Shirahoshi from a misunderstanding and a flying axe attack. After Luffy defeated Ryūgū, the group left with Shirahoshi, while Vander Decken learned she had gone with a human and vowed to kill her and the others.

  • Xi Yan sent Shadow Clones to investigate the Right Minister’s suspicion that they had kidnapped mermaids, then he and Luffy found Sanji, Chopper, and an injured Hatchan, who warned them that Hody planned to attack the island.
  • Megalo brought Shirahoshi to the shore, where the Fish-Man Race citizens mistook Xi Yan and Luffy for kidnappers and Sanji turned to stone after seeing the Mermaid Princess.
  • Xi Yan shattered Vander Decken’s flying axe before it could hit Shirahoshi, and Luffy used Second Gear to knock Ryūgū back into the sea.
  • Chopper found Sanji restored and safe, and Luffy took the group away on Megalo with Shirahoshi and Hatchan.
  • Ryūgū told Vander Decken that Shirahoshi had left with a human, and Vander Decken vowed to kill her and the humans.

Ch. 373Shirahoshi's Surprise: Lord Xi Yan Could Do That Too?!

The Straw Hats reached Sea Forest with Shirahoshi, where Xi Yan reunited with Jinbe and treated Hatchan. As the group gathered around the Thousand Sunny, Vander Decken attacked Shirahoshi again, and Luffy knocked his axe away.

  • Camie identified Vander Decken as the man who had harassed Shirahoshi with tracking attacks for ten years, and Nami and Perona condemned him.
  • Luffy, Xi Yan, Shirahoshi, Chopper, and Sanji reached Sea Forest, found Franky and the Thousand Sunny, and learned that Robin had gone into the Coral Forest to search for a Historical Text.
  • Jinbe reunited with Luffy and Xi Yan, learned Xi Yan had survived Mary Geoise by faking his death, and thanked him for freeing Fish-Man slaves.
  • Jinbe discovered Shirahoshi had left Ryugu Kingdom, while Xi Yan used Medical Ninjutsu to treat Hatchan and Sanji recovered after receiving Chopper's blood.
  • Dan emerged from the Thousand Sunny as Franky explained he was coating the ship, and Luffy knocked away a Plum Blossom Axe Vander Decken hurled at Shirahoshi.

Ch. 374Ōtsutsuki Xi Yan? Luffy's Surprise: So Your Surname Is Ōtsutsuki!

The Straw Hat Pirates reunited at the Sea Forest, where Jinbe revealed he had exiled Arlong to the East Blue, forcing Nami to confront his connection to her suffering. Jinbe began explaining himself as Hatchan confirmed the Arlong Pirates’ past and injured himself while apologizing, leaving Nami’s response unresolved.

  • Xi Yan explained that Vander Decken had been attacking Shirahoshi, and Shirahoshi visited her mother Queen Otohime’s grave while the others promised to protect her.
  • Dan recognized Ōtsutsuki Xi Yan as Fish-Man Island’s hero and agreed to coat the Thousand Sunny within two days.
  • Nami and the others arrived, and Nami explained that they had defeated the Ryugu Kingdom’s forces after being accused of kidnapping a mermaid and threatening Fish-Man Island.
  • Jinbe defended Luffy and Xi Yan against Madame Shyarly’s prophecy, then admitted he had exiled Arlong to the East Blue eleven years earlier.
  • Sanji and Perona confronted Jinbe over Arlong’s abuse of Nami, while Hatchan confirmed the harm the Arlong Pirates had caused and tried to apologize before his wound reopened.

Ch. 375Two Great Figures Who Devoted Their Lives to Their Clansmen, Worthy of Respect!

Jinbe recounted how Queen Otohime and Fisher Tiger devoted their lives to the Fish-Man Race, explaining the persecution that shaped their opposing efforts and the events that led to Tiger’s death. He also revealed how he became a Shichibukai to further their cause, prompting Arlong and other crew members to leave the Sun Pirates.

  • Jinbe explained that Whitebeard protected Fish-Man Island from human pirates and that Queen Otohime sought peaceful coexistence while Fisher Tiger rescued slaves from Mary Geoise.
  • Jinbe described Otohime’s efforts to comfort Fish-Man Island’s citizens and persuade them to sign a petition supporting the Fish-Man Race’s move to the surface, though no one signed it.
  • Jinbe recounted how Fisher Tiger escaped enslavement, returned to Mary Geoise to free the slaves, and formed the Sun Pirates with Jinbe and other Fish-Men.
  • Jinbe said the Sun Pirates were betrayed by humans while returning Koala home, and Fisher Tiger died after refusing a human blood transfusion for his wounds.
  • Jinbe explained that Arlong was captured by Kizaru, then released when Jinbe became a Shichibukai; Arlong later fought Jinbe and left the Sun Pirates with Hatchan and others.

Ch. 376Ancient Weapons, Sea King Poseidon!

Jinbe recounted Queen Otohime’s efforts to secure a future for Fish-Man Island, including how Shirahoshi summoned Sea Kings and how Hody likely arranged Otohime’s murder. He admitted responsibility for Arlong’s crimes and knelt before Nami, offering his life to atone.

  • Jinbe explained that Arlong had been released after he became a Shichibukai, then described Queen Otohime’s ongoing effort to persuade Fish-Man Island’s citizens to move to the surface.
  • Jinbe recounted how Queen Otohime saved a stranded Celestial Dragon, traveled with him to the surface, and returned with his promise to support peaceful coexistence.
  • Jinbe revealed that Shirahoshi’s crying had summoned Sea Kings that frightened the Celestial Dragon, and that an unknown attacker later killed Queen Otohime while she gathered signatures.
  • Xi Yan suspected Hody had killed Otohime and framed a human, while Hatchan confirmed that Hody planned to seize Fish-Man Island.
  • Jinbe confessed that Arlong had been his subordinate and that he had failed to learn of Arlong’s crimes because Arlong bribed Marines, then knelt before Nami and offered his life.
Arc 15 of 31
Arc 15 of 31