A plot could involve Naruto being cursed by an enemy. As a result, he can only consume food by using his whole body. At first, he's embarrassed and tries to hide it from his friends. But then he realizes that this new way of eating gives him an unexpected advantage in battle. For example, he can quickly consume a large amount of food to boost his energy during a fight.
Sakura would probably be both disgusted and amused at the same time. She might scold Naruto for being so unhygienic at first, but then laugh at his silly antics.
Perhaps in the 'naruto eats souls fanfiction', Naruto is cursed by an evil force. This curse makes him uncontrollably eat souls. He then has to struggle to find a way to break the curse while dealing with the consequences of having eaten souls, like the anger of the spirits' friends or families.
Well, it could be about Naruto obtaining some strange power from eating the Shinju. Maybe he does it by accident in a battle and then has to deal with the unexpected consequences, like new abilities that are hard to control.
Well, one possibility could be that Naruto is sacrificing his body to control the power of the wind in a very extreme way. Maybe he's trying to stop a powerful wind - based enemy or disaster. By giving his body, he might be fusing his chakra with the wind element on a whole new level.
One possible plot could be that Naruto's twin sister has a unique and powerful ninja ability that she has to keep hidden from the village at first. Maybe she can communicate with animals in a very special way, like having full conversations and understanding their emotions. As the story progresses, she uses this ability to help Naruto and their friends in various missions, for example, finding a lost ninja by asking the birds for directions.
A plot development could be Naruto in Sasuke's body being forced to participate in a mission that was originally meant for Sasuke. Since Naruto has his own set of values and beliefs, he might approach the mission very differently. He could try to find non - violent solutions where Sasuke might have been more inclined to use force. This would not only cause confusion among his teammates but also make his enemies underestimate or misjudge him. And as Naruto tries to adapt to Sasuke's body, he might accidentally unlock some hidden powers or abilities that Sasuke himself was not aware of.
One possible plot development could be that Naruto, now in Hanabi's body, has to deal with the strict Hyuga clan rules. He might accidentally break some taboos while trying to figure out how things work in the clan. For Hanabi in Naruto's body, she could struggle with Naruto's large amount of chakra and his more carefree attitude towards training. This could lead to her getting into some comical situations in battles or training sessions.
He could master new and powerful jutsu more easily. Since he has full control, his chakra manipulation would be flawless, allowing him to create unique and stronger attacks.
The plot might involve Twilight being cursed or tricked into this 'eats the everything' state. She might start by accidentally consuming small things like flowers or books, which gradually grow into bigger things. And as she eats more, it affects the balance of the world around her, causing her friends to worry and try to find a way to reverse it.
In the 'Toothless Eats Hiccup Fanfiction', it might be that there is an alternate universe where the relationship between Toothless and Hiccup is completely different. Maybe in this universe, dragons are more savage and Toothless hasn't formed the deep bond with Hiccup like in the original story. So, he sees Hiccup as just another source of food. This could explore how their relationship might have been if things had been different in this strange fan - created world.