One possible plot twist could be that Naruto, as a fox kit, discovers he has unique powers related to his new form that are different from his normal ninja abilities. For example, he might be able to communicate with all fox - related spirits or creatures in the Naruto world. Another plot twist could be that the other characters don't recognize him at first, leading to some really interesting and comical situations. Maybe Sasuke tries to attack him thinking he's a wild fox, but then realizes something is off about this 'normal' fox.
In this fanfiction, perhaps Naruto's physical abilities are enhanced as the Kyuubi's kit. He might be able to move faster, jump higher, and his strength could be superhuman. Also, his relationship with Sasuke could change. Sasuke might see Naruto as an even greater threat or, on the other hand, an ally he needs to understand better. And Naruto could start to have a different understanding of his own identity and place in the ninja world.
One interesting plot twist is if Naruto discovers that Kurama has been secretly protecting him from other, more sinister threats that he was unaware of. For example, there could be a group of rogue ninjas who have been trying to steal Kurama's chakra for a long time, but Kurama has been using his own power to keep them at bay without Naruto knowing. This would change Naruto's perception of Kurama from just a source of power to a true protector. Another aspect could be that this discovery makes Naruto more determined to become stronger to help Kurama in return. He might start to train in new ways or seek out different types of power -ups that can help him protect Kurama better. This could also lead to a shift in their relationship dynamic, with Naruto taking on more of a caretaker role in some situations.
A plot twist might be that Naruto discovers that being a monk is actually a key to unlocking a hidden power within him that has nothing to do with chakra. This new power could be related to his spiritual enlightenment and could change the balance of power in the Naruto universe in the fanfiction. Another twist could be that his friends, believing he has abandoned them, turn against him at first, but then later realize that his new path is actually for a greater good and they end up joining him in some way.
Perhaps the fox kit forms a unique bond with Naruto. It could communicate with Naruto in a special way, like through telepathy. This bond might help Naruto better understand his own connection to the Nine - Tailed Fox. The fox kit could also be a source of comfort for Naruto during tough times, like when he faces difficult missions or personal challenges.
His relationship with Kurama would definitely change. Instead of being two separate entities, they might have a more equal and symbiotic relationship as Naruto is now also a fox - like being. With his friends, they might initially be confused or even a bit scared. For example, Sakura might be shocked at first but then become very protective. And with his enemies, they might underestimate him in this cute fox - kit form, which could be an advantage for Naruto.
One possible plot twist could be that Ash wakes up one day and finds he has turned into a Pokémon himself. This would completely change his perspective and how he interacts with the Pokémon world.
A plot twist could be that Ash's newfound 'Pikachu - fandom' causes a rift between him and his other Pokémon. They feel neglected because he is so focused on Pikachu. But then, through a series of events, Ash realizes that he needs to balance his love for Pikachu with his care for his other Pokémon friends. This realization could lead to a more harmonious relationship among all of them in the end.
The fox kit could make Naruto feel more responsible. He has to take care of it, so he grows up a bit faster in terms of maturity. He'll have something else to think about other than just training and becoming Hokage.
Perhaps Naruto discovers that Kisame has a family he's been protecting in secret, and this new knowledge makes Naruto see Kisame in a different light. He then tries to help Kisame reunite with his family while also dealing with the Akatsuki.
Perhaps Naruto discovers that Sheele was sent to his world by an enemy as a spy, but she has actually fallen in love with the place and the people, especially Naruto, and she has to prove her loyalty. This would create a lot of drama and tension in the story.