Maybe the reader is a long - lost relative of paperjam's family. So when they meet the parents, there are a lot of revelations about family history and secrets. This could lead to an emotional and complex story with the reader trying to fit into this new - found family.
One plot idea could be that the reader is accidentally transported to the world where paperjam and their parents exist. The reader then has to navigate the strange new world while trying to make a good impression on paperjam's parents.
Well, finding 'reader meets paperjams parents' fanfiction might be a bit tricky. It depends on how niche the concept is. You could also check out some relevant fandom forums. There, fans might discuss and share links to such fanfictions. Sometimes, smaller, more specialized fanfic communities can be a goldmine for these types of stories.
One idea could be that Percy's parents are from different worlds, like his mom is from a modern human world and his dad is from a magical realm. When they meet, there are cultural clashes and misunderstandings. For example, his dad doesn't understand modern technology and his mom is shocked by the magical creatures his dad brings along. Another idea is that Percy has been hiding his true self from his parents, and when they finally meet, he has to come clean about his adventures and powers. This could lead to a range of emotions from disbelief to pride. Or perhaps there's some sort of danger that forces Percy and his parents to meet and work together, and in the process, they really get to know each other for the first time.
One plot idea could be that the young teen meets BTS at a charity event. They end up collaborating on a project to help underprivileged kids. There's no romance, just mutual respect and a shared goal of making a positive impact. Another could be that the teen stumbles upon BTS during a music exploration journey and they exchange musical ideas and experiences.
The reader could be a lost traveler who stumbles upon Dracula's castle during a storm. Dracula offers shelter, but the reader soon realizes that there's something not quite right. As time passes, the reader discovers Dracula's loneliness and begins to feel sympathy for him. This could lead to a friendship or more, as the reader tries to bring some light into Dracula's dark existence.
Well, perhaps they have a child who is really interested in Muggle studies, much to the amusement of Harry who has some Muggle - like tendencies. And they struggle a bit with how to balance their child's interest in Muggle things with the wizarding world they live in. Also, there could be a plot where the family has to deal with some old enemies of Harry's who are seeking revenge, but this time they have to protect not just themselves but also their child. It could show how they use their combined skills and knowledge to keep their family safe.
In 'death meets the avengers fanfiction', a possible plot could be that Death is personified as a female figure. She comes to Earth because she's bored in her realm. She starts causing chaos among the Avengers by making their powers malfunction. The Avengers initially think it's a new super - villain but soon realize it's Death. They then have to find a way to either send her back or make a deal with her. Maybe they offer to perform a great deed in exchange for her leaving Earth and their lives alone.
A plot could involve a love story between a character from Undertale and one from Underfell. Their different worlds' values and cultures clash, but they still manage to find common ground and fall in love. This could lead to them trying to bridge the gap between the two universes to be together.
Perhaps the mutagen that created the Turtles has some strange reaction when exposed to the Dragon Balls' energy. This could lead to new powers for the Turtles and a whole adventure about controlling and understanding these powers while also dealing with the Dragon Ball Z characters' reactions to them. For example, Vegeta might be initially suspicious and see the Turtles as a threat to his power status.
One idea could be that Spyro and Cynder go on a journey to discover a long - lost dragon power. They face various challenges along the way, like tricky mazes and powerful enemies. Another could be a story where they have to save their dragon world from a mysterious dark force that is slowly corrupting it.
One interesting plot idea could be the characters from Hetalia encountering the creepy and often disturbing entities from Creepypasta in a haunted location. For example, Italy might stumble upon Slenderman in a dark forest. Another could be the Hetalia characters being trapped in a Creepypasta - inspired nightmare world where they have to face their worst fears, like Germany facing a horde of Jeff the Killer - like beings. And perhaps the Hetalia nations could be forced to team up with some of the less - malevolent Creepypasta characters to escape a shared threat.