Perhaps in the fanfiction, Nami's pregnancy is a result of some magical or cursed event. The crew then has to search for a way to either reverse it if Nami wishes so, or to ensure a safe pregnancy and birth. Along the way, they encounter different islands with unique cultures related to pregnancy and childbirth, and Nami learns a lot about motherhood from these experiences.
One possible storyline could be that they accidentally got a magic spell cast on them which made them pregnant. In this fanfiction, they would have to figure out how to deal with this unexpected situation while still being part of the Straw Hat crew. Maybe they'd struggle to keep up with their pirate duties at first, but then find ways to adapt and still contribute to the crew's adventures.
One possible story could be that after many adventures, Luffy and the crew find a peaceful island where they decide to stay for a while. During this time, Nami discovers she's pregnant. Luffy, being the simple - minded but kind - hearted captain, is initially confused but then becomes super protective. He starts to learn about taking care of a pregnant woman from Chopper and tries his best to keep Nami comfortable and safe on the island, while also preparing for the new addition to the Straw Hat family.
The plot could revolve around a curse that was placed on them during one of their adventures. This curse made them pregnant. Zoro and Tashigi would then have to team up to find a way to break the curse. Along the way, they might discover secrets about each other that they never knew before. For example, Zoro might learn more about Tashigi's past and her dreams outside of being a marine. And Tashigi could understand Zoro's loyalty to his crew on a deeper level. Their journey to reverse the pregnancy could also lead them to new and unknown parts of the One Piece world.
It could be an interesting crossover. Maybe Naruto, with his ninja skills, ends up in the One Piece world and teams up with Nami. He could use his shadow clone jutsu to help Nami in a fight against some pirates. And Nami, with her knowledge of the seas and weather, could guide Naruto through the strange waters of the One Piece world.
If Luffy and Nami were pregnant in fanfiction, it could change the whole dynamic of the One Piece story. Luffy might not fully understand the implications at first. He'd probably see it as another adventure, but a very different kind. Nami would probably be more worried about how it would affect her role in the crew. The crewmates would also have different reactions. Usopp might be making all kinds of inventions for the baby, while Zoro might seem indifferent on the surface but would be secretly protective. It would be a story full of humor, drama, and new character developments.
Nami, on the other hand, would be more practical. She'd likely start planning for the future, like making sure they have enough resources on the ship for the baby. She'd also be thinking about how to balance being a mother with her role as a navigator in the Straw Hat crew. She might draw up detailed plans for the baby's living space on the ship and start thinking about teaching the child about navigation early on.
Yes, it can be a somewhat common theme in the One Piece fan community. Many fans like to explore different 'what - if' scenarios in fanfiction. Sanji and Nami are two popular characters, and the idea of them having a family or being pregnant can add an interesting new dimension to their relationship. It allows fans to delve deeper into their personalities and how they might interact in such a situation.
A plot could involve Naruto being mistaken for a powerful pirate in the One Piece world. Nami, seeing an opportunity, decides to join him for a while. As they journey together, they learn from each other. Naruto learns about the value of gold and jewels from Nami, while Nami is impressed by Naruto's never - give - up spirit during battles.
Nami would be very practical. She'd likely start by making sure she has all the necessary supplies for a healthy pregnancy. She might ask Chopper, the crew's doctor, for advice on nutrition and health. And she'd probably try to find a way to continue her role as the navigator, perhaps creating new maps that include safe places for when the baby is due.
In fanfiction, the possibility of Luffy and Nami kissing exists. Fanfic authors often take creative liberties. They could be in a situation where they have to pretend to be a couple for some undercover mission and during that, a kiss might occur. Also, as they grow closer through their adventures, emotions might change and lead to a romantic moment like a kiss.