Well, as of the latest manga chapters, Yamato has indeed become a part of the Straw Hats. This decision brings new dynamics and adventures to the crew.
Popular fanfiction often has strong character development. For example, it might explore Luffy's leadership in more depth or show how Zoro overcomes a new kind of sword - related challenge. Another characteristic is unique plot twists. Maybe the Straw Hats find a way to reverse a Devil Fruit power in a fan - made scenario. Also, good fanfiction keeps the essence of the original One Piece world, like the importance of friendship and the pursuit of dreams within the crew.
Kizaru could also be interesting. His light - based powers are extremely powerful. If he joined the Straw Hats, he could use his speed and laser - like attacks to protect the crew. However, he would need to change his loyalty from the World Government, which could create a complex and engaging storyline.
Sure. There's a fanfiction where the Straw Hats get caught in a time - loop. It's really interesting as it shows how each member reacts differently to the situation and how they try to break the loop. Also, 'The Straw Hats' Hidden Powers' is a good one. It delves into the potential hidden powers of each crew member that haven't been fully explored in the official story.
It could be Chopper. Since Chopper is a doctor and Reiju has some medical knowledge, they might bond over sharing medical techniques and treating the crew's injuries. Also, Chopper's kind - hearted nature would make him a great friend for Reiju who might be used to a more cut - throat family environment.
If Naruto was raised by the Straw Hats, he'd probably be a very different person. He might be more carefree like Luffy. For example, he'd be used to the wacky adventures on the Grand Line. His ninja skills could blend with the pirates' combat styles, creating some really unique fighting techniques.
His personality would become more outgoing and adventurous. The Straw Hats' lifestyle is full of exploration, so Naruto would be more eager to take risks.
Yes, there are some popular ones. However, popularity can vary depending on different fanfiction platforms. Some might focus on their potential romantic relationship, while others might be more about their friendship and adventures together.