One plot could be Percy seeing Annabeth spending a lot of time with another demigod on a quest. He gets jealous and starts acting strange around her. This could lead to some misunderstandings between them until they finally talk it out.
A possible plot is that a new camper at Camp Half - Blood shows an interest in Annabeth. Percy, being the possessive type, gets jealous. He starts to follow Annabeth around more, which annoys her at first. But as the story unfolds, they realize their feelings for each other are deeper than they thought and Percy's jealousy was just a sign of his deep love for her.
In some fanfictions, they could be studying in a magical library where the books come to life. This would add an element of adventure to their study sessions as they have to deal with the chaos caused by the animated books while still trying to study.
Another plot could be Aphrodite giving Annabeth a special charm that makes her irresistible to Percy, but in a way that causes chaos because Percy can't think straight. And Annabeth has to figure out how to break the spell without ruining their relationship.
One interesting plot could be a quest where Percy, Rachel, and Annabeth have to work together to retrieve a powerful artifact. They might face various monsters and challenges along the way, and there could be some tension between Annabeth and Rachel as they both have feelings for Percy.
Well, in many Percy - related fanfictions, if we consider Grover as Annabeth's friend, he might be jealous of Percy because Percy often gets more attention or seems to be more in the spotlight. Percy has a lot of heroic moments and is the son of Poseidon which gives him a certain status, and Grover might feel overshadowed at times.
In this kind of fanfiction, often the jealous demigods might be jealous of Percy and Annabeth's relationship or their status as heroes. Maybe they're jealous of Percy's powers over water or Annabeth's strategic mind. This can lead to all sorts of conflicts, from petty rivalries to full - blown battles.
In many fanfictions, Annabeth might be jealous of Percy because of his popularity or his close relationships with other characters. It could also be due to his natural talent in certain areas that overshadows her own at times.
In some fanfictions, their summer love could be tested. For example, a new camper arrives at Camp Half - Blood who seems to have a connection with one of them. This creates jealousy and tension, but in the end, their love overcomes it all as they realize how much they truly mean to each other. They might have a big fight and then a really emotional reconciliation.
One interesting plot could be Percy and Annabeth teaming up for a school project. They might face challenges like different study habits but in the end, they learn to work together and their relationship grows deeper. Another could be Percy getting into trouble with a school bully and Annabeth using her wits to get him out of it.
In some fanfictions, the plot could be that Percy and Luke are in a battle of wits over Annabeth. For example, Luke uses his charm and knowledge of ancient lore to try and win her over, while Percy uses his loyalty and selfless acts. Or perhaps there's a plot where Annabeth is in danger, and Percy and Luke have different ideas on how to save her. Percy might want to rush in and fight, while Luke thinks a more strategic approach is needed, causing conflict between them.
One interesting plot could be their wedding preparations. Maybe Percy is trying to plan a surprise element for Annabeth in the wedding, like getting a special gift from Poseidon. Another plot could be how they deal with their friends' reactions. Some friends might be overly excited while others could be a bit jealous.