Well, there are also fanfictions where Kurama pranks Naruto by making him see illusions of really embarrassing situations. For example, Naruto might see himself in front of the whole village wearing a ridiculous pink tutu while doing the chicken dance. This is all Kurama's doing to get a laugh out of Naruto's flustered reactions.
In some Naruto fanfiction, Kurama might prank Naruto by making his chakra go haywire at inconvenient times, like during a spar with Sasuke. It could be a harmless prank where Naruto's Rasengan suddenly fizzles out because Kurama messed with the chakra flow just for fun.
One common prank in fanfiction could be Kurama changing Naruto's voice inside his head. So when Naruto is trying to communicate with him seriously, his voice comes out all high - pitched or with a strange accent, which makes it really hard for Naruto to keep a straight face or have a proper conversation.
One common prank could be Naruto switching the Hyuga clan's training dummies' positions. This would mess up their training routine as the Hyuga are very precise in their movements and training. They rely on the familiar layout of the training area, and Naruto's prank would throw them off balance.
Maybe Naruto uses his shadow clone jutsu to create a bunch of clones that keep following Tsunade around, asking her silly questions all day long. This would drive her crazy as she tries to get her work done. For example, they could keep asking her about her love life or her opinions on the latest ninja gadgets.
There are fanfictions where Naruto pranks Konoha by creating illusions all over the village. He makes it seem like there are giant monsters approaching, causing a bit of panic at first. But then he reveals the prank and everyone has a good laugh. Some stories also have him pranking his friends like Sasuke by making it look like he's lost his Sharingan, which Sasuke initially freaks out about until he realizes it's just Naruto being Naruto.
In the fanfiction, Naruto might prank the Anbu by replacing their normal kunai with ones that make really loud and embarrassing noises when thrown. So when they go to use their weapons in a serious situation, they end up looking foolish as these noisy kunai fly through the air.
Kurama is often depicted as mischievous in fanfiction. His powerful and somewhat arrogant personality leads him to play pranks on Naruto. He might think it's beneath him to be so closely tied to a human, so he uses pranks as a way to assert some sort of control or just to amuse himself.
In Naruto and Kurama fanfiction, one interesting story could be about how Naruto and Kurama form an even deeper bond. They might go on adventures in the spirit world together, learning more about Kurama's past and the history of the tailed beasts. This could lead to Naruto unlocking new powers that are a combination of his own and Kurama's chakra in unique ways.
One interesting Kurama Naruto fanfiction could be about Kurama and Naruto's adventures in a different dimension. In this story, they might encounter new and strange enemies that require them to use their combined powers in unique ways.
In Naruto fanfiction, Kurama knots can represent a unique bond between Naruto and Kurama. Some fanfictions might use Kurama knots as a symbol of their intertwined fates. For example, a knot could signify the moment when Naruto fully masters Kurama's power and they become one in a new way, like a spiritual or energetic connection that's visualized as a knot.
There might be a fanfiction where Kurama and Naruto switch bodies for a day. Naruto has to deal with being a giant fox in the forest, while Kurama has to navigate the human world as Naruto. It would be full of comical situations and also some deep realizations for both of them.
There might be a fanfiction where Kurama and Naruto switch places. Naruto is trapped inside the seal, and Kurama has to deal with the outside world, facing the challenges Naruto usually does. This would lead to a lot of humorous and also some thought - provoking situations.