Rock Lee might be an interesting choice. He is Neji's friend and has a strong sense of loyalty. He would be very dedicated to taking care of the baby. His physical strength could also be useful in case of any danger. And his positive attitude would be great for the baby's environment.
Naruto and Neji's friendship in fanfiction often delves into their past traumas. Naruto understands Neji's pain of being in a rigid clan structure, and Neji realizes Naruto's loneliness from being an outcast as a child. This mutual understanding cements their friendship. They support each other in battles, with Naruto relying on Neji's strategic mind and Neji depending on Naruto's raw power and determination.
I'm not sure specifically about extremely popular 'Neji and Ino Married' fanfictions. However, you can search on fanfiction websites like FanFiction.net or Archive of Our Own. There might be some hidden gems there. You could also join Naruto - related fan communities on platforms like Reddit or Discord and ask for recommendations. Chances are, other fans will be able to point you to some great stories.
One great Neji and Gaara fanfiction could be 'The Bond Beyond Clans'. In this story, they start off as rivals but gradually come to understand each other's pain and form an unlikely friendship. It beautifully explores their characters' depth.
There may be a vast amount of fanfiction about Neji and Sakura, but 'Hard Lemon' implies something that is not suitable for general consumption. It's better to look for fanfiction that respects the characters and the overall spirit of the Naruto franchise. This could include stories about their adventures together, or how they interact with other characters in the series.
In sakura neji lemon fanfic, one characteristic could be the exploration of an alternate relationship dynamic between the two characters. Since they are from the Naruto universe, the fanfic might blend the existing Naruto lore with the unique relationship development. The 'lemon' content, if done well, can add a layer of passion and intensity to the relationship portrayal. It might also show a different side of Sakura and Neji's personalities that we don't see in the original series. For example, it could explore their hidden desires or vulnerabilities within the context of their relationship.
In a fanfiction, their friendship might be tested when there is a conflict between the Uzumaki and Hyuga clans. However, Naruto and Neji decide to put aside the clan differences. They believe that their individual friendship is more important than the age - old grudges of their families. This shows the depth of their friendship and loyalty to each other.
It should also have a well - developed relationship arc. Whether it's a friendship or a romantic relationship, it needs to be believable. For example, showing how they gradually come to respect and rely on each other more over time through shared experiences.