They would probably meet their old classmates. People like Grover, who was their friend in high school, would surely be there. Maybe some of their old study group members or teammates from school sports teams.
A Percy and Annabeth high school reunion fanfiction could have many interesting elements. For example, at the reunion, there could be a flashback sequence showing their high school days when they first met and the initial awkwardness or attraction between them. They could also meet some of their former teachers who remember them well. Percy might show off some of his new skills he learned over the years, and Annabeth could amaze everyone with her intelligence. Their relationship could be put to the test when an old acquaintance tries to create some trouble between them, but in the end, they would prove their love is stronger than ever.
Often in these fanfictions, the pregnancy is used to add drama. It might lead to conflicts between Percy and Annabeth, like differences in their opinions on how to handle the situation. For example, Percy might be more laid - back while Annabeth wants a more structured plan. It also might show their friends rallying around them or being shocked. And sometimes, it's a chance to see how they adapt to changes in their social status at school due to the pregnancy.
Often, it could be a jealous classmate. Maybe someone who has a crush on Percy and sees Annabeth as a threat, so they try to create problems between them. Another could be a strict teacher who doesn't like Percy's carefree attitude and Annabeth's independent thinking, always trying to give them a hard time.
Well, perhaps Annabeth decides to surprise Percy at his high school by disguising herself as a new student. She enrolls in the school for a day and joins Percy's class. When Percy sees her sitting there, he can't believe his eyes. She then reveals her true identity during lunch break and they have a sweet reunion, sharing stories about their latest demigod adventures.
It's possible that Annabeth surprises Percy at high school by setting up a whole new section in the school library dedicated to Greek mythology. Percy loves Greek mythology, and when he discovers it, he's thrilled. Annabeth reveals that she worked with the school librarian for weeks to make it happen. This not only surprises Percy but also enriches the knowledge of the whole school about their demigod heritage.
Grover would be a great addition. He could be the quirky sidekick in the high school setting, always getting into comical situations while also providing some sage advice to Annabeth and Percy based on his own experiences. For example, he could help Percy figure out how to ask Annabeth to the prom.
Grover could be a great addition. He could be the goofy but loyal friend who always gets caught in the middle of Percy and Annabeth's drama. For example, he might accidentally spill some secrets that cause more trouble between them. Another good character could be Clarisse. She could be the school bully who has a grudging respect for Percy and Annabeth but still tries to cause problems for them now and then.
At Percy Jackson's high school reunion, the demigods gathered. Percy walked in with Annabeth by his side. Old classmates were shocked to see how much he had changed. Some remembered the strange disappearances in his high school days. Percy and his friends shared stories of their adventures, leaving the regular humans in awe. It was a night of reminiscing and new revelations.
Well, one possibility is that they face challenges related to hiding their demigod identities while trying to fit in at a normal high school. Maybe Percy has trouble in a swimming class because his powers make him too good and he has to hold back. Annabeth could be acing all her academic classes but struggle with the social drama that comes with high school.