In this 'buu wakes up in cell sags fanfic', Buu might wake up disoriented in the cell. He could start to explore his surroundings and find that the cell has some sort of magical or technological elements that are preventing him from leaving easily. As he tries to break free, he might encounter different challenges. There could be traps or puzzles that he needs to solve. And perhaps his waking up in the cell is part of a bigger plan by some powerful being, and Buu has to figure out what that plan is and how to stop it.
There could be the jailer who is in charge of the cell. Maybe it's a new character created for this fanfic.
Perhaps the fanfic is about Buu waking up and being confused by the events of the Cell Saga. He might not understand the conflict between the androids and the Z - fighters. So, he could start interacting with different characters in his own strange way, like befriending some of the minor characters or causing unexpected mayhem just because he doesn't know any better.
Obviously, Buu and Cell would be main characters.
One possibility is that he wakes up and discovers new allies. The story could then revolve around him building relationships with these new characters while still holding onto his old values. He may also have to deal with the fact that the world has moved on without him and find his new place in it.
Well, it could be a story where Harry and Fleur are part of a secret mission together. They had to stay the night in a hidden place for safety. When Harry wakes up with Fleur, they might start discussing their next moves in a very friendly and perhaps a bit flirty way. They could exchange stories about their experiences at Hogwarts and Beauxbatons respectively, and then realize they have more in common than they thought.
One possible plot could be that the girl is a fellow student at Hogwarts who has fainted during a dangerous situation, like a duel gone wrong in a secret passage. Harry, being the heroic type, uses a spell to wake her up. Then they end up having to work together to get out of the passage before it closes or some other threat arrives.
Perhaps he wakes up to find that the laboratory is in the middle of a big experiment gone wrong. There are strange creatures or phenomena around him, and he has to figure out how to escape and also stop whatever bad thing is about to happen. He might use his Pokémon knowledge and skills to get through this tough situation.
In the fanfiction, when Ash wakes up in the room, he might discover that he has new, unexpected powers. The room could be a sort of testing ground for him. He'll have to learn to control these powers while also dealing with the mysteries of the room, like hidden doors and cryptic messages on the walls.
Well, it could be about a magical spell. Maybe he offended a witch and she turned him into a girl as a punishment. He then has to go through his day trying to figure out how to reverse it while dealing with all the new experiences of being female, like wearing different clothes and having different social interactions.
In the 'beerus wakes up early fanfic', maybe Beerus wakes up early and decides to go on a sudden hunt for the best food in the universe. He could startle the local inhabitants of the planets he visits as he demands the most delicious delicacies.