Well, they might try to find a way to communicate with the outside world. This could involve looking for some sort of digital messaging system or a way to hack into an external network. They'd have to be really clever about it, as the computer world is full of security measures. They could also try to understand the rules of this digital realm in order to find an escape route. It's a bit like being in a strange new land where everything is made of code.
The writer might try to find a way to calm the crazy person down. Maybe by talking softly and trying to understand their point of view. For example, if the crazy person is ranting about something, the writer could nod along and show empathy, which could potentially defuse the situation.
They could look for a backdoor in the system.
It's also likely that their trapped situation brings out some hidden emotions. Ciel, who usually keeps his feelings in check, might show some vulnerability. Grell could be surprisingly empathetic towards Ciel in this situation. And as they search for a way out, they might learn more about each other's pasts and motives, which could either strengthen or further strain their relationship.
Well, it could be a very strange experience. Maybe you'd find yourself in a world full of soft, plush creatures. You might have to navigate through a landscape made of giant stuffed animals, trying to find a way out while also dealing with the overly cute and sometimes overwhelming nature of the stuffed animal world.
Naruto could start to lose his sense of self. The void is a place of nothingness, and without any external stimuli or interactions, he might forget who he is. His memories of his village, his friends, and his dreams could start to fade. However, his strong willpower would probably kick in at some point, and he'd fight to hold on to his identity and find a way out of this strange predicament.
Well, there could be a sequel. Maybe new characters will be introduced, or the existing ones will face new challenges. For example, if it's a story about a hero, he might encounter an even stronger villain in the next part.
Maybe there would be a sudden, unexplained noise. Like a loud creaking from an old, abandoned house. The main character might then start to feel as if they're being watched, but when they look around, there's nothing there. Then, they notice a single footprint in the mud that wasn't there before.
She could be taken to the royal healer. In the world of Sofia the First, there are magical healers who can use their powers to cure most injuries. Maybe the healer uses a special potion or spell to make Sofia better.
He could be rescued by a mysterious figure. Maybe it's a fellow hiker who has some unique skills or tools. For example, this person could have a drone that they use to send out a distress signal and also to drop supplies to the trapped man.
In this kind of fanfiction, Harry and Voldemort might be forced to have intense conversations. They could start to understand each other's motives better. Maybe Harry tries to convince Voldemort to give up his dark ways.