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.
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.
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 great example could be a story where Nami and Zoro have to team up for a treasure hunt. In this fanfiction, their different skills come into play. Nami's navigation skills lead them to the right island, while Zoro's combat skills protect them from the various threats on the island. It shows how their partnership can be both interesting and effective in the One Piece universe.
Their relationship would likely become more complex. Zoro, who is usually focused on his swords and his crew, would have to start thinking about someone else. Tashigi, as a marine, would also have to reevaluate her priorities. They might start to rely on each other more, sharing their fears and hopes for the future. For example, Zoro could offer Tashigi protection in a more personal way than before, and Tashigi could give Zoro advice on how to deal with the upcoming changes in his life.
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.
In some fanfictions, Nami might be portrayed as more assertive towards Zoro. For example, she could be the one who always initiates their adventures together, whereas in the original series, it's often a more collective decision. Zoro, on the other hand, may be shown as more patient with Nami's sometimes - bossy attitude, which is a contrast to his more straightforward and tough - guy image in the original.
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 common theme could be the reaction of the other Straw Hat members. They are like a family, so their responses to Zoro and Nami's situation would be interesting to explore. Another might be how Zoro and Nami themselves deal with the new responsibilities and changes in their relationship.
I'm not sure about a specific 'Zoro and Nami pregnant fanfiction' that is considered 'good' as it's a very niche and often fan - created concept. You could try searching on some well - known fanfiction websites like Archive of Our Own. They might have such stories, but it really depends on the creativity and writing skills of the individual authors.
Maybe the story could start with Nami realizing she's pregnant. This could lead to a lot of mixed reactions from the crew. Zoro might initially be shocked but then become determined to support Nami. There could be a sub - plot where they have to find a safe place for Nami to give birth, away from their enemies. And the crew might have to deal with the idea of a new addition to their family on the ship.