Another possibility is Sakura. Although she had feelings for Sasuke for a long time, in some alternate fanfiction scenarios, she could end up with Naruto and get pregnant. It would be an interesting twist on the relationships in the Naruto universe.
In some fanfictions, it could be Hinata. They have a strong connection in the original series, and it would be a natural progression for them to get married and start a family.
There might also be some original characters created by fanfiction writers who become Naruto's wife. These characters could bring new dynamics to the story, with different personalities and backstories that add to the plot of Naruto getting his wife pregnant.
The story could show Naruto being super excited about becoming a father. He could be seen talking to his unborn child, sharing his dreams and hopes. His wife might have some special requests during her pregnancy, like craving certain foods from different villages, and Naruto would go to great lengths to get them for her.
It could be a goddess of the moon. In Naruto's world, the moon has significance, and a moon goddess could be attracted to Naruto's bright and determined spirit. She might come down from the moon in a human form and interact with Naruto, leading to the situation where she gets pregnant.
A common choice could be Sasuke. Given their long - standing relationship and connection in the original series, it would make sense for him to be the father. Their relationship has always been complex and a pregnancy would add another layer of depth to it.
Another possibility could be Sakura. Although she had feelings for Sasuke for a long time, in a fan - created scenario, things could have taken a different turn and she could end up in a relationship with Naruto and get pregnant. However, this would be quite a departure from the original plot dynamics.
It could be a powerful new villain who wants to get back at Naruto. Maybe someone from a rival village who thinks stealing his wife will weaken him.
A strong - willed lawyer would be an ideal wife for Daredevil. She could help him with legal matters related to his vigilantism. Also, she would be able to hold her own in the dangerous world Daredevil inhabits.
Sakura could potentially be Naruto's girlfriend in some fanfictions. Although in the original series she had feelings for Sasuke for a long time, in fan - created stories, the writers might explore a different path where she realizes Naruto's true worth and they end up together.
One good candidate could be an original character. For example, a powerful kunoichi from a small, peaceful clan. She could bring a different perspective to Madara's life. Another could be a character from another ninja village, like a Kiri ninja who was sent as a diplomat and ended up falling for Madara.
Maybe it could be a new character created specifically for the fanfic. This new girl could be from a traveling group of merchants who Naruto meets during one of his missions. Their encounter could lead to a relationship and ultimately the pregnancy.
One potential antagonist could be those within the village who oppose Naruto's relationships. They might see his harem as a threat to the traditional values of the village and try to cause trouble for Naruto and his partners.