One Piece: Monsters Help Me Conquer the World

A transmigrator from Blue Star, he had been an ordinary person in his previous life. By chance, he arrived in the world of an anime he had once loved: the world of One Piece. Stranded on a deserted island from the start, he had a System that could summon bio-engineered beings empowered by the monsters of the Ultraman world to serve him. They were known as Monster People. Mo Yun decided to have his Monster People write a vast ancient-world history for the people of One Piece. While terrifying everyone in the world, he would bring along the captivating ancestors of his previous life and their unifying ideology. He planned to wage war and ultimately rule the world of One Piece completely, taking on the Marines, crushing the pirates, wiping out the Celestial Dragons, killing Imu, and beating down anyone who dared oppose him. The world-destroying sea god Gakuzom: "I don't need much. Just give me a piece of the East Blue, starting with Cocoyasi Village." Nami: "...!!" The destroyer angel Zogu: "Then I'll take a piece too, starting with the Goa Kingdom." Luffy, Garp, and Dragon: "...!!" The dark ruler Gatanozoa: "I only want Fish-Man Island. Nom nom." Whitebeard, Neptune, and Shirahoshi: "...!!" The cosmic white blood cell Rugusetto: "From now on, Wano Country will be ruled by me, the Rainbow Dragon Queen. Anyone object?" Kaido, Yamato, and Hiyori: "...!!" The great demon beast Maga-Orochi: "So much delicious food! The Whole Cake Island territory is mine from now on." Charlotte Linlin: "...!!" Belial, Empera, Guel, and Etelgar: "Tear down Enies Lobby, Impel Down, and Marine Headquarters, and build our kingdom there." The entire Marine force: "...!!"