Where is water friction?

"Ararara... Where am I?" Aokiji said as he saw himself in a destroyed harbor. There were destroyed ships and structures. He got up on a little burned ground. His Haki told him he was in a total different place. This was some where else.

After walking around, he got to know that this was Logue Town. This gave him a little scare. Punisher Ken somehow was able to send him so far with one move. What kind of Devil fruit did he eat. He needed to send the info to Sengoku.

This was important.

After proper rest and fun, the ship set sail again to the next island. Everyone was busy with their own work now. Nami had made bigger rooms everywhere, and thus, with the help of this, everyone had more space, which meant more space for training.

Nami not only made the rooms bigger but also accomplished a wonderful thing with her training. She had finally stepped foot in the avatar state. Though it was only in the avatar state of air bending, it was the start.

Everyone was again happy and congratulated Nami. Vivi too had progressed a bit; she ate her belly full and then proceeded to make weapons for her crew mates. Especially Nami and herself. Even Ussop asked for some materials to make his bow much stronger.

After days of sailing, they came across a sea station. Or rather, it could be termed a sea rail station with the name Shift Station. This is where they met Kokoro, Chimney, and Gonbe. This was where they came to know of the Yokozuna, the frog that always fought against the sea train.

Though Kokoro didn't reveal anything, they understood that there was some kind of story behind Yokozuna. Ken knew of the story. The story of how Franky tried to block the train and the frog almost inherited that trait Though it was only a one-time thing for Franky so that Tom, the legendary shipwright, wasn't taken away, it did leave a huge impression on the frog.

And now the frog named Yokozuna continued to do that and make himself powerful in that way. Luffy wanted to see what a train was, so the ship anchored for the train to arrive. Kokoro seemed easygoing and invited them to watch a train pass by.

She also spoke of Iceburg, who was an excellent shipwright and could help them repair the ship. So in effect, she wrote a note as a word of recommendation, and Nami was very happy to get one. She also drew a poorly sketched route to Iceburg's place.

Since the train was still a few hours away, Sanji offered a small banquet, which everyone accepted. Kokoro was more than happy to eat something while she drank her wine. She seemed perpetually to be in a drunken state.

Chimney, the granddaughter of Kokoro, was way too amazed after seeing Caroo and Banchi and started playing with them. Chimney, Luffy, and Gonbe rode on the shell of Banchi and had fun while others got busy with cooking and helping Sanji with the food.

Ken didn't have anything to do, so he went and sat beside Kokoro. Kokoro, in addition to being a stationmaster, had another identity. She was a mermaid. But since she was old, her tail fin could split apart and be used as legs to walk on land. Ken noticed her legs for a few seconds before she was questioned.

"What are you looking at?" Kokoro asked while still delivering a smiling face.

"As a mermaid, it must be a little hard being in the land and mixing with the humans." Ken said. Kokoro didn't expect her main identity to be seen at a glance. She looked at Ken for a good two seconds before laughing out loud.

"You pirates are really observant. Hahaha.. What do you want to do? Sell me to a human auction shop? I am quite old, so I won't be sold for a very good amount." Kokoro asked casually, as if she hadn't asked about one of the most brutal practices in this world.

"Kokoro ba-san, you think too much. If we want to sell something in the auction shop, it should be the Celestial Dragons themselves." Ken answered with a very sincere and straight face. Kokoro was now even more surprised. She had always been easygoing and was never beautiful enough as far as mermaid standards went, so she was always safe.

So when Ken recognized her identity, she didn't care. In addition, there was Iceburg, who always worked as a safety blanket. But Ken's words really gave her a surprise. A surprise enough to stop her drinking and look at Ken in a more serious manner.

"Do you know what you are saying? If they hear your words, you would be put to death." Kokoro said.

"They will try." Ken answered with his own confidence.

"Hahahaha.. I like you kid." Kokoro laughed.

While they were talking and having fun, with Luffy showing his tricks, the sea train had arrived. Ussop, Luffy, and even others were curious about the train and saw how a fast-moving train traveled on the sea. Ken was puzzled. This thing went against all forms of saving energy. Traveling on water meant losing energy against the water's friction and losing more energy.

Tom must have been a genius to compensate for the energy and material damage of the trains and make them profitable for the general public to use. After having their curiosity filled, it was time to set sail again, and this time it was Water 7. They had brought enough gold with them to make their ship the best. Ken had already checked. The hull of the ship was fine, but in return, there was still no incident for the soul of the ship to materialize.

Ken wanted to see if he could make use of the system and take the Klabautermann on a system ride. He had been talking with Merry constantly, but there was no response. This wasn't good. But there was nothing Ken could do, and thus he could only wait for the future.

In a few hours, they saw the outline of Water 7, and Ken, knowing the size of Water 7, was still amazed looking at the huge city. Iceberg had really done a wonderful job. Now all he needed to do was get rid of some pests and take Franky.

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