In this kind of fanfiction, Naruto might first try to understand Obito's motives. He could see the pain and loneliness that drove Obito to his dark path. Maybe Naruto would try to convince Obito to give up his evil plans and return to the side of good. They could form an unlikely alliance against a common enemy, like Madara or Kaguya. Naruto's positive attitude and Obito's powerful abilities would make a very interesting combination.
The story could start with Naruto finding Obito in a desolate place. Naruto would be curious and approach him. Then, they would exchange words, and Naruto would offer his help to Obito. As they interact more, they might face some small - scale battles together against rogue ninjas or other threats. This would build trust between them.
In such a fanfiction, the story could take a very dark turn. Naruto's ideals of friendship and peace might be severely tested. He could be forced to question his own beliefs as Obito and Madara have very different outlooks. Maybe Naruto would try to change their minds, but it would be extremely difficult as they are both very set in their ways of achieving a new world order through more extreme means.
A fanfiction story could start with Naruto being in a desperate situation where he feels that the normal path to peace is not working. So, he decides to team up with Obito and Madara. At first, they seem to be working towards a common goal. But then, Naruto realizes that their means are too extreme. For example, he discovers that the Infinite Tsukuyomi they plan would take away people's free will. He then has to find a way to stop them while still maintaining some sort of alliance. This could lead to a complex web of relationships and power struggles within the group.
In a 'naruto joins obito fanfic', it could start with Naruto being transported to a parallel dimension where Obito has already started his own ninja village. Naruto, seeing the potential in Obito's ideas but also the flaws, decides to join him. He helps Obito to correct his path. For example, Naruto could teach the ninjas in Obito's village about the importance of hope and not giving in to hatred. They could then work together to build a village that is a model for the rest of the ninja world, based on both Obito's and Naruto's ideals.
The main antagonist could be Madara. Even though Obito was once following Madara's plan, with Naruto joining Obito, Madara might see this as a threat to his grand scheme. He could try to manipulate events to drive a wedge between Naruto and Obito or directly attack them to stop their new alliance from achieving their goals.
In fanfiction, the combination of Naruto, Temari and Obito can lead to some really interesting storylines. For example, they could be on a joint mission where their different skills and personalities clash and then gradually come to work well together. Naruto's determination, Temari's no - nonsense attitude and Obito's complex past could create a lot of drama and character development.
In some fanfictions, Naruto might hate Obito because of Obito's actions in the main Naruto storyline. Obito was involved in many heinous acts like causing the Nine - Tails attack on Konoha which led to the death of many, including Naruto's parents. This could be a reason for Naruto's hatred in fan - made stories.
In fanfiction, Naruto sacrificing himself for Obito could be a very emotional and dramatic concept. It might show Naruto's ultimate selflessness, believing that Obito is worth saving at the cost of his own life. This could be due to Naruto seeing the good in Obito that others might not, like the part of Obito that was once a kind - hearted shinobi.
Often, there's a plotline where Naruto and Obito are on opposite sides of a conflict within the fanfiction. Naruto is fighting for the good of the village and Obito is working against it. Naruto's hatred for Obito grows as Obito continues to cause chaos. There might also be a plotline where Naruto discovers some new, even more terrible deeds that Obito has committed, fueling his hatred further.