Maybe the ghost roommates react to a modern technology being brought into the house. For example, a new smart TV that starts acting strangely in their presence. They could be both frightened and intrigued by it. They might try to figure out how to interact with it, which could lead to some comical situations as they don't understand how modern electronics work.
Another plot idea is that the ghost roommates react to a renovation of the house they haunt. As the construction workers start tearing down walls or changing the layout, the ghosts might feel like their home is being invaded. They could try to scare the workers away at first, but then as they see the improvements, they start to appreciate the changes and even get excited about having a new and improved 'haunting ground'.
Perhaps a story where a character reacts to the dangerous creatures in Amphibia. They initially fear them but then learn to co - exist with them. This could involve a lot of character development as they overcome their fears and discover the true nature of the creatures, which might not be as menacing as they first seemed.
You can start by giving each ghost roommate a distinct personality trait. For example, one could be a shy and timid ghost who is always hiding in the corners, while another could be a bold and mischievous one who likes to play pranks on the living. This will make their reactions more interesting.
One idea could be a trainer's reaction when they encounter a shiny pokemon for the first time. Maybe they freeze in shock and disbelief at their amazing luck.
One interesting plot idea could be Iron Man reacting to an alternate version of himself from a parallel universe. Maybe this other Iron Man has different tech or a different moral code, and the real Iron Man has to decide how to deal with this new version of himself.
Another plot idea could be Spider - Man's reaction to a new piece of tech that falls into the wrong hands. He has to quickly figure out how to retrieve it and stop the bad guys from using it for evil. His thoughts and actions during this high - stakes situation would be great to read about.
In a Transformers War for Cybertron reaction fanfiction, a cool plot could be the reaction of the Transformers when they encounter an ancient and powerful entity from Cybertron's past. This entity could have the power to either end the war or make it even more chaotic. The Autobots might be more cautious and diplomatic in their approach, while the Decepticons would likely be more aggressive, seeing it as a tool for their own gain. Additionally, the reaction of different factions within the Autobots and Decepticons, like the scientists or the warriors, to this new development can create interesting sub - plots and character dynamics.
One idea could be exploring the backstories of the minor characters in Ghost Wars. For example, the local villagers who are caught in the middle of the war. Another could be a what - if scenario, like what if a different character had found the key piece of evidence first. And a third idea is to focus on a love story between two characters from opposing sides in the Ghost Wars.
A great plot idea for 'the ghost and the darkness fanfiction' could be to have a character who can communicate with them. This character tries to understand their motives and ultimately convinces them to leave the area. It could involve a lot of tense negotiations and moments of discovery about the true nature of these mysterious beings.
One interesting plot idea could be a character who is new to the Smash Bros universe and their reaction to meeting all the iconic characters. They could start off in awe, gradually learn the ropes of the battles, and form unexpected friendships or rivalries. For example, a character from a relatively unknown game enters and is initially intimidated by Mario and Link but then discovers they have unique skills that can hold their own. Another plot could revolve around a character's reaction to the constantly changing stages, like being really confused when suddenly transported to a new and wacky stage.
Maybe the ghost child is the result of a curse placed on a family in Konoha. Naruto stumbles upon the mystery when he notices strange occurrences around a particular house. The child's ghost is bound to the place due to the curse. Naruto then tries to find a way to break the curse with the help of his friends. Another plot idea could be that the ghost child is from a different dimension that somehow got linked to the Naruto universe. The child is scared and alone, and Naruto has to figure out how to send the child back home while also protecting the world from any potential threats that might come with the connection between the two dimensions.