Thunder boomed across the sky as lightning flashed, while gale-force winds and torrential rain swept over Water 7.
The water in the backstreets had already risen high enough to submerge the first floors. Inside a dark, abandoned brick warehouse, the dim glow of a torch lit the stone walls.
"So cool!!"
The three members of the hype squad stared with shining eyes, enthralled by the sleek-looking Sea Train before them. "Rocket Man!!"
By contrast, Nami had a bad feeling. She asked worriedly, "Why did you say it can't carry passengers? And what does 'rampaging' mean?"
Creak—bang!
"This was a failed model from when the Sea Train was first built."
The door opened, and Iceberg stepped out, explaining,
"It had a design flaw. No matter how much they adjusted it, they couldn't control its speed. No passenger would dare ride a train like this, would they?"
"It'll be fine!"
Grandma Kokoro climbed right onto the engine and thumped her chest, speaking confidently. "I've got years of driving experience. You can all relax!"
Thud!
"Whoa!!" As soon as she finished speaking, she missed a step and fell straight into the cab.
Usopp stared, then bellowed, "You're the one driving—that's exactly why we can't relax!!"
Patter, patter, patter!
Just then, hurried footsteps sounded outside, and dozens of figures came rushing in, weapons in hand.
At the front were three people: one was Zanbai, whom Lina had met before, and the other two were square-headed girls dressed in skimpy clothes.
"Grandma Kokoro!!"
The square-headed sisters cried out in alarm together. "And the Straw Hat Crew?!"
"Oh, it's Kiwi and Mozu."
Grandma Kokoro stuck her head out the window and grinned. "What are you doing here?"
"Big Bro! Big Bro was taken away by the World Government!" Kiwi and Mozu cried out in distress.
After