In this fanfiction, it could be that Sonic got the fever from some strange new power source he came into contact with. As he battles the fever, he has strange dreams or visions. His friends are worried and try different ways to break the fever. Meanwhile, Sonic discovers something important about this power source in his fever - induced state that could help them in future battles.
Well, it could be about Sonic's friends trying to take care of him while he has a fever. Maybe Tails uses his gadgets to monitor Sonic's condition and Knuckles brings some special herbs that are supposed to help with fevers in their world. And Amy could be fussing over Sonic, making him soup or something.
Amy would also be a likely main character. She's always been very protective of Sonic. So when he has a fever, she'd be right there by his side, doing everything she can to make him comfortable. She could be the one providing emotional support to Sonic during his illness.
Well, perhaps in the fanfiction, Tails' nightmare is about his inventions going haywire. He dreams that all his machines turn against him and Sonic, and they have to fight their way through a mechanical nightmare. This might show his underlying worry about his creations causing harm rather than good.
In the fanfiction, Naruto might have a fever due to overusing his chakra. When he pushes his body to its limits in intense battles or during extensive training, it could strain his body and cause a fever.
Maybe it could be about how her friends take care of her. They might bring her medicine, make her soup, and stay by her side to comfort her while she's dealing with the fever.
In such a fanfiction, Naruto might be really weak and vulnerable. His friends could be very worried about him. Sakura, as a medic - ninja, would probably be the first one to check on his condition and try to bring his fever down with her medical skills.
One possible plot could be that one of their kids gets a mysterious fever that no magic can immediately cure. Ginny and Harry are worried sick and start to search for a solution. They might visit old friends like Hermione for help, who uses her vast knowledge to look into ancient spells or potions.
The plot could start with Naruto suddenly getting a high fever. His friends notice his strange behavior like being more sluggish than usual. Then, they take him to the hospital. As he's recovering, he could start to remember some forgotten memories related to his parents or some past traumas.
Well, one possible plot could be Naruto being transported to the Sonic world. He might initially be confused by the strange new environment filled with fast - paced creatures and loops. He could then team up with Sonic and his friends to fight a common enemy, like an evil wizard who wants to take over both the Naruto and Sonic universes. Using Naruto's ninja skills and Sonic's speed, they could create some really cool battle scenes.
One possible plot could be that Sonic yells at Tails because Tails made a risky decision during a mission that almost put them both in danger. For example, Tails might have tried to take on a powerful enemy alone without waiting for Sonic's backup.
One possible plot could be that Sonic gets accidentally transported to the Marvel universe where the Avengers are based. At first, there's some confusion and mistrust. But as they face a common enemy, like a powerful interdimensional villain who wants to conquer both Sonic's world and the Avengers' world. Sonic and the Avengers have to combine their unique abilities. Sonic's super speed, agility and his friends' skills along with the Avengers' superpowers, high - tech weapons and combat experience. They learn from each other during the fight, and in the end, they become friends and Sonic might even get a chance to visit the Avengers again in future adventures.