One interesting plot could be that Kurama has a hidden past related to the creation of the ninja world. As Naruto and Kurama become friends, Kurama reveals this past. It could involve ancient ninja clans and forgotten jutsus. Naruto then uses this knowledge, along with Kurama's power, to bring about a new era of peace in the ninja world.
Maybe a plot where Kurama gets sick. Since he's a tailed beast, this is a very strange situation. Naruto, as his friend, has to find a way to cure him. He travels to different parts of the ninja world, meets new characters, and discovers new forms of medical ninjutsu. Along the way, their friendship deepens as Naruto shows his determination to save Kurama no matter what.
A really cool plot would be if Kurama was actually a key to a parallel ninja world. As they become friends, Naruto and Kurama accidentally open a portal to this world. In this new world, they find different versions of their friends and enemies. They have to work together to find a way back home while also dealing with the chaos in this parallel world. It would be full of new adventures and challenges for them.
In a fanfic, Naruto and Kurama could become friends when Naruto starts to understand Kurama's pain. Naruto, being the kind - hearted person he is, might try to communicate with Kurama on a deeper level. He could share his own feelings of loneliness and being an outcast in the village at first. This mutual sharing of emotions could break the ice between them and start the process of friendship.
One plot idea could be Naruto and Kurama going on a journey outside the Hidden Leaf Village together. They face various challenges like dealing with rogue ninjas or strange beasts. Along the way, they learn more about each other's pasts and grow even closer as friends.
One idea could be that Naruto and Kurama have a day - out in the Hidden Leaf Village. They visit all the places Naruto used to go as a kid, like Ichiraku Ramen, and Kurama makes funny comments about human food. Another could be that they team up to prank the other villagers in a harmless way, just for fun.
A key moment could be when Naruto saves Kurama from some external threat. For instance, if there's a dark force trying to control Kurama, Naruto steps in and uses his own chakra to free Kurama. This act of selfless rescue makes Kurama see Naruto in a new light and starts the friendship.
Well, it could be about a high - tech world where Naruto has a mecha version of Kurama. Maybe the plot involves fighting new and powerful enemies that can only be defeated with the combined strength of Naruto and his mecha Kurama. The fanfic could also explore how Naruto bonds with this mechanical version of Kurama, different from his connection with the original Kurama.
The most interesting plot could be that Vader's dark side is slowly purged by Naruto's positive energy. As they interact more, Naruto's belief in the goodness of people starts to chip away at Vader's Sith - like nature. This would be a long and complex journey of transformation for Vader, filled with many internal and external battles as he struggles between his old self and the new person Naruto is trying to help him become.
One interesting plot twist could be Kurama suddenly losing his power. In the fanfic, this might force Naruto to find a new way to fight, relying more on his own ninja skills and the relationships he has built with his friends. Another could be Kurama being controlled by an unknown enemy, and Naruto has to find a way to break the control without harming Kurama. It changes their dynamic from partners to Naruto being the rescuer.
One possible plot could be that Naruto starts having more conversations with Kyuubi in his mind. At first, they argue a lot as they have different views. But as time passes, Naruto starts to understand Kyuubi's past and the pain it has endured. Kyuubi, in turn, sees Naruto's determination and kindness. They gradually start to work together during battles, sharing their powers more effectively and eventually becoming true friends who trust and respect each other.
Well, in some fanfics, the story might start with Naruto getting a premonition or some kind of sign that Kurama is suffering under the seal. So, he decides to free Kurama. He then embarks on a journey to find a way to break the seal. Along the way, he meets various characters from the Naruto universe who either help or hinder his progress. Once he finally frees Kurama, they team up to face a greater threat to the ninja world that neither could have faced alone.
One interesting plotline could be Naruto helping Neji break free from the rigid ideas of his clan. Naruto's free - spirited nature could inspire Neji to see beyond the limitations set by the Hyuga clan's traditions.