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one piece: gene extraction and fusion system

In one moment, he was walking down the street with his little sister—
In the next, he had traveled to the world of One Piece, carrying a system that could extract, record, and fuse genes to cultivate powerful lifeforms.
Thus began a leisurely and carefree life in the most chaotic world imaginable.
When bored, he’d snatch a bit of heavenly tribute meant for the Celestial Dragons.
When curious, he’d raise a few cute kittens and bunnies just for fun.
When restless, he’d wander through the territories of the most fearsome powers in the New World.
Life is beautiful—so why bother taking anything seriously?
- Chapter 1: A Beast, a System, and a New Beginning
- Chapter 101: Fire Dragon Gene and the Birth of “Millet””
- Chapter 104: Birth of the Dragon Princess
- Chapter 107: Welcome to Impel Down
- Chapter 11: Insect Island Harvest – Mutant Ants and Devil Fruit Jackpot
- Chapter 112: Hidden Training in Impel Down
- Chapter 115: One Year in Hell
- Chapter 118: The Prison Break Begins: The Rise from the Frozen Hell
- Chapter 120: Burning Hell’s Ultimatum
- Chapter 123: Clash of Titans
- Chapter 126: The Black Crow Pirates Arrive
- Chapter 129: The Beginning of Chaos
- Chapter 131: Slaughter on Judicial Island
- Chapter 134: The First Captain of the Black Crow Fleet
- Chapter 137: Arrival at New Naia Island
- Chapter 14: Invitation from the Underground King
- Chapter 142: Cultivating Two Cat Maids
- Chapter 145: The Black Crow’s Bargain
- Chapter 148: New Targets
- Chapter 150: Secret Cooperation
- Chapter 153: A New Storm Brewing
- Chapter 156: Auction at Sabaody
- Chapter 159: Clash of Light and Replacement
- Chapter 161: Toward the New World – Fishman Island Dive
- Chapter 164: The Essence of the World
- Chapter 167: The Seed of Ambition and the Path to the New World
- Chapter 17: Black Blade, Hidden Blades
- Chapter 172: The Crow Gene Hunt Begins
- Chapter 175: The Windborn Creation – Bai Feng’s Arrival
- Chapter 178: The Blade of Wind and Will
- Chapter 180: The Empress’s Wrath and Crow Island’s Shadow
- Chapter 183: Confrontation on Kalizhiba Island
- Chapter 186: The Deal with Big Mom
- Chapter 189: Brewing Storms and Giant Beasts
- Chapter 191: A Signal to the Navy
- Chapter 194: The Birth of a Guardian Beast
- Chapter 197: A Toast Before the Storm
- Chapter 2: The Birth of Warwick
- Chapter 201: Followers and Contenders
- Chapter 204: Battle on the Black Crow Deck
- Chapter 207: Hei’e Descends
- Chapter 21: A Scientific Accord
- Chapter 212: A Guest on the Sea
- Chapter 215: Unstoppable Hei Yan, The Flame of Death
- Chapter 218: Confrontation on the Icy Sea
- Chapter 220: The Witch’s Oath and the Black Crow’s Standard
- Chapter 223: The Gift from Doflamingo
- Chapter 226: The Power of Divine Strength and Ryu Sakura
- Chapter 229: The Sharp Edge of Loyalty
- Chapter 231: Clash of Monsters – Mio vs. Whitebeard
- Chapter 234: Clash of Monsters—A Battle Etched in the New World
- Chapter 237: The Black Crow Sets Sail
- Chapter 24: A Reason to Kill
- Chapter 242: Seeking the Truth from Rayleigh
- Chapter 245: The Cursed Blade and the Floating Legend
- Chapter 248: The Birth of Asuka
- Chapter 250: The Meeting at Sea
- Chapter 253: Strong World
- Chapter 256: Clash of Legends
- Chapter 259: The Sky Beyond the Sky
- Chapter 261: Echoes of the Ancient Kings
- Chapter 264: Shadows in Motion
- Chapter 267: Flames of Mary Geoise and the Devil’s Bargain
- Chapter 27: A Pleasant Surprise and a Hidden Legacy
- Chapter 272: An Invitation from a Yonko
- Chapter 275: A Dangerous Investment
- Chapter 278: Gene Harvest and Shadows in the Deep
- Chapter 280: Mark of the Golden Light
- Chapter 30: The Raid for Heavenly Gold
- Chapter 33: The Demon Gene and a Hidden Flower Garden
- Chapter 36: Orders from Above, Shadows Beneath
- Chapter 39: The Rising Threat
- Chapter 41: Entering the Grand Line
- Chapter 44: Ant Scouts and a Teleporting Pterosaur
- Chapter 47: The Mythical Butterfly and the Waiting Trap
- Chapter 5: Warwick, the Master’s Fang
- Chapter 52: The Power of Replacement and a New Companion
- Chapter 55: Entering the Calm Belt
- Chapter 58: The Arrival of Hanba – Guardian of the Deep
- Chapter 60: A Toast with Hawkeye
- Chapter 63: The Rising Star and the Journey to Alabasta
- Chapter 66: A Pirate’s Bargain
- Chapter 69: The Secret Beneath the Sands
- Chapter 71: Clash in the Desert
- Chapter 74: The Birth of Hei Yan
- Chapter 77: The Fist That Splits Storms
- Chapter 8: Blood On The Waves
- Chapter 82: Black Crow’s Shadow in Magic Valley Town
- Chapter 85: The Upwelling to the Sky Island
- Chapter 88: Encounter on Sky Island
- Chapter 90: The Sea King’s Power and Fishman Karate
- Chapter 93: Descent from the Sky
- Chapter 96: The Frozen Judgment
- Chapter 99: The Shipbuilder’s Choice
- Chapter 10: Duel of the Ant Kings
- Chapter 102: The Birth of the Black Glory
- Chapter 105: Dragon Power vs. Ice
- Chapter 108: Into the Abyss: Arrival at the Sixth Floor
- Chapter 110: The Deception in Infinite Hell
- Chapter 113: Harsh Training on Giant Beast Island and the Depths of Impel Down
- Chapter 116: Road to Freedom
- Chapter 119: Hell Unleashed: Sixth Floor Revolt
- Chapter 121: The Last Gate Before Freedom
- Chapter 124: The General’s Arrival
- Chapter 127: A Storm Unleashed
- Chapter 13: The Pirate Butcher of Cazorla Sea
- Chapter 132: Blood on the Deck, Shadows in the Wind
- Chapter 135: The Dragonman’s Path
- Chapter 138: A Toast in the Haidongqing Tavern
- Chapter 140: The Challenge on Lanti Island
- Chapter 143: Birth of the Linglong Economic News Agency
- Chapter 146: Crocodile’s Change of Mind
- Chapter 149: An Unexpected Fan
- Chapter 151: A Warning Beneath the Smile
- Chapter 154: Prelude to the Storm
- Chapter 157: The Devil Fruits in the Hands of the Celestial Dragon
- Chapter 16: Rumors and Routine
- Chapter 162: Journey to the Deep: Kurakan’s Guidance
- Chapter 165: Power and Balance Beneath the Sea
- Chapter 168: First Battle in the New World
- Chapter 170: Falcon Hunt and Cruel Tides
- Chapter 173: The Soul-Swallowing Crow
- Chapter 176: An Invitation from the Big Mom Pirates
- Chapter 179: The Devil’s Bargain
- Chapter 181: A Trade and a Trap
- Chapter 184: The Awakening of the Mangeky?
- Chapter 187: The Encounter with Amy and the Speed Gene
- Chapter 19: The Swarm and the Scientist
- Chapter 192: Collision at Cake Island
- Chapter 195: Hei’er, the Soul-Hunting Crow
- Chapter 198: Clash of Titans
- Chapter 20: A Scientist’s Curiosity and A Mutant’s Secret
- Chapter 202: A Devil Fruit Transaction Bathed in Blood
- Chapter 205: Blood and Allegiances
- Chapter 208: Shadows Stir in the New World
- Chapter 210: The Beginning of a Kingdom and the Black Crow’s Next Move
- Chapter 213: Secrets in the Sky and the Past
- Chapter 216: The Bloody Baptism of Crow Island
- Chapter 219: The Lord’s Voyage and Rising Bounties
- Chapter 221: A Storm in the Shadows
- Chapter 224: The Ancient Beast and the Deal
- Chapter 227: Whitebeard’s Arrival
- Chapter 23: The Temptation of Celestial Gold
- Chapter 232: The Battle That Shook the Skies and the Rise of a New Tyrant
- Chapter 235: The World’s Attention
- Chapter 238: A Revolutionary Visitor
- Chapter 240: The Island in the Deep Sea
- Chapter 243: The Secret of Im and the Celestial Dragon’s Arrogance
- Chapter 246: Draw of Fate and the Demon Sword
- Chapter 249: Asuka’s True Nature
- Chapter 251: The Black Crow’s Interest in Nine Snake Island
- Chapter 254: The Lion in the Sky
- Chapter 257: The Fall of the Lion, The Rise of the Future
- Chapter 26: The Death of Anderson
- Chapter 262: The Might of Replica Pluto and the Calm Before the Storm
- Chapter 265: The Meeting on the Sea
- Chapter 268: The Ultimate Devil Fruit — Operation
- Chapter 270: A Spark of Envy
- Chapter 273: The Flash That Was Kicked
- Chapter 276: The Flames Over Wano Country
- Chapter 279: Shadows over the Island
- Chapter 29: The Swarm Beneath the Moonlight
- Chapter 31: The Cost of Curiosity
- Chapter 34: Last Stop Before the Grand Line
- Chapter 37: The Devil’s Daughter and the Gene Collector
- Chapter 4: Pirates, Plots, and the Smell of Blood
- Chapter 42: Rum, Maps, and the Pirate Flag
- Chapter 45: Replacement Ability! Devil Fruit Pterosaur
- Chapter 48: Unexpected Ambush
- Chapter 50: The Rising Threat and the Wings of Light
- Chapter 53: First Bounty and Future Navigation
- Chapter 56: The Storm Wings of Lilith
- Chapter 59: Encounter on the Sea – The World’s Greatest Swordsman
- Chapter 61: The World’s Strongest Swordsman
- Chapter 64: The Desert Kingdom and a Royal Intrusion
- Chapter 67: Awaiting the Journey to the Historical Text
- Chapter 7: Notis Island and the Taste of Blood
- Chapter 72: The Admiral of the Past and a Spin of Fate
- Chapter 75: Journey to the East Blue: The Island of Dragons
- Chapter 78: The Strength at the Peak and the Dragon Hunt
- Chapter 80: The Whetstone of Rogue Town
- Chapter 83: Tides of Power and Command
- Chapter 86: Arrival at Sky Island
- Chapter 89: The Seed of Opportunity and the Fist of the Sea
- Chapter 91: The Search for the Thunder Fruit on Birka
- Chapter 94: Supernova on the Horizon
- Chapter 97: Aokiji’s Decision and a New Path
- Chapter 100: The Impel Down Plan and the Gene Lottery
- Chapter 103: A Deal Set in Motion
- Chapter 106: The Deal of Ice and Shadows
- Chapter 109: Whispers in the Deep
- Chapter 111: The Proposal in Infinite Hell
- Chapter 114: Preparation Beneath the Surface
- Chapter 117: The Spark That Warms the Cold
- Chapter 12: Birth of the Ant Queen Erica
- Chapter 122: The Battle of Hell Begins
- Chapter 125: The Gate of Rebellion
- Chapter 128: The Awakening of Conqueror’s Haki
- Chapter 130: The Forbidden Fruit and Judicial Clash
- Chapter 133: The World Stirs Again – The Black Crow Pirates’ Infamy
- Chapter 136: An Order from the Flowers
- Chapter 139: A Storm Unleashed
- Chapter 141: Bellamy’s Defeat and the Hunt for Genes
- Chapter 144: Alabasta’s Unseen Storm
- Chapter 147: The Discovery of Pluto
- Chapter 15: Shadows of Firelight
- Chapter 152: Arrival at the Sabaody Archipelago
- Chapter 155: Linglong Newspaper Spreads Its Name
- Chapter 158: Clash on the Sabaody Archipelago
- Chapter 160: Clash with the Admiral – Escape from Sabaody
- Chapter 163: Arrival at Fishman Island
- Chapter 166: The Oath Ship and the Seed of Power
- Chapter 169: A Newspaper That Dared to Challenge the Heavens
- Chapter 171: Storm Brewing in the New World
- Chapter 174: The Winged Gene and the Falcon’s Transformation
- Chapter 177: Clash with the Big Mom Pirates
- Chapter 18: The Ant King’s Whisper
- Chapter 182: Rising Tides and Brewing Storms
- Chapter 185: The Price of Evolution and the Path to Cake Island
- Chapter 188: A Perfect Performance
- Chapter 190: Invitation to the World Expo
- Chapter 193: Thunderstorms and Tornado Gifts
- Chapter 196: Demon Power and a Red-Haired Guest
- Chapter 199: The World Expo Begins
- Chapter 200: Black Crow’s Strength Shocks the Island
- Chapter 203: Declaration of Ambition
- Chapter 206: The Favor of the Monster
- Chapter 209: Sky Island’s Enslavement Begins
- Chapter 211: The New World of the Strong
- Chapter 214: The Crow’s Domain
- Chapter 217: The Black Crow’s Sea
- Chapter 22: Journey Toward the Grand Line
- Chapter 222: The Devil Fruit Gift and the Next Target
- Chapter 225: Birth of Qiongqi — The Beast of Thunder, Ice, and Magma
- Chapter 228: The Strong Clash of Swordsmen
- Chapter 230: Clash of Kings – Mio vs. Whitebeard
- Chapter 233: Clash of Legends: Mio vs. Whitebeard
- Chapter 236: Ripples of Fame
- Chapter 239: The Island of the Pirate King’s Legacy
- Chapter 241: Shadows Beneath the Surface
- Chapter 244: The Slap That Shook the World
- Chapter 247: The Cursed Sword’s New Form
- Chapter 25: Blood on the Tavern Floor
- Chapter 252: The Shadow Before the Storm
- Chapter 255: The Roar of the Lion Falls
- Chapter 258: Shockwaves Across the Sea – The Death of the Golden Lion
- Chapter 260: Tensions in the New World
- Chapter 263: The Calm Before the Storm
- Chapter 266: Stirring the Seas Again
- Chapter 269: Old Friends and Cold Justice
- Chapter 271: Reunion with Fisher Tiger
- Chapter 274: The Cost of Favor
- Chapter 277: The Gene Lottery and the Army of Beasts
- Chapter 28: Ripples on the Sea, Eyes of Samsara
- Chapter 3: Building Rafts and Breaking Dreams
- Chapter 32: Treasure Beneath the Deck
- Chapter 35: The Butterfly of Light and Poison
- Chapter 38: Cloaks, Blades, and Bloody Escapes
- Chapter 40: The Spirit of a King
- Chapter 43: The Ancient Island and the Tyrant King
- Chapter 46: Duel of the Giants
- Chapter 49: Clash at the Shore
- Chapter 51: The Birth of Lilith: A New Aerial Tyrant
- Chapter 54: Secrets Behind the Curtain
- Chapter 57: Voice of the Sea Kings
- Chapter 6: The Call of the North Sea
- Chapter 62: The Awakening of Conqueror’s Haki
- Chapter 65: The King’s Decision
- Chapter 68: The Road to Pluto and a Surprise from Doflamingo
- Chapter 70: The Panther and the Watchful Admiral
- Chapter 73: Indra’s Eye and the Panther’s Evolution
- Chapter 76: Dragon Egg and the Iron Fist
- Chapter 79: The Gene of the Millennium Dragon and the Calm Before the Storm
- Chapter 81: The Realm of Steel and Skyward Ambitions
- Chapter 84: Preparations for Sky Island
- Chapter 87: The Golden City and an Unexpected Encounter
- Chapter 9: Pirate Genes and Crimson Skies
- Chapter 92: The Spark That Ignites the Storm
- Chapter 95: Clash on the Frozen Sea
- Chapter 98: A Deal with Vegapunk, and the Shipwrights of Water 7