Summary of the main plot of Mermaid Island in One Piece

Luffy, some of them were caught. Then they ran away with Jinbe. Luffy killed 50,000 fishermen (domineering). Luffy played with Hody, and Luffy won. But Luffy destroyed the ark with a machine gun with third gear and domineering. But then Neptune dragged the ark away. Later, the conversation between Robin and the king was known by Galip. I learned that the mermaid princess belongs to the weapon of "Pluto". Galip caught the princess and stole all the money from Mermaid Island. Luffy, they're going after him. Luffy catches up, saves the princess, knocks down Galip and takes back the treasure. But Luffy ate the food that the fisherman wanted to give to Charlotte Lingling (aunt), one of the four emperors. Luffy will talk to her. Luffy declared war on her. She is waiting for Luffy in the New World.