A possible plot could be that Fem Percy has lost her memory. Scott finds her and takes care of her. As she slowly regains her memory, they discover that they are fated mates. However, there is an evil wizard who wants to use Fem Percy's powers for his own gain and they have to fight against him.
One idea could be that they meet in a magical forest during a quest. Fem Percy uses her skills and Scott is intrigued by her courage. They then have to team up to face a powerful dark force that threatens their world.
Perhaps Fem Percy is from a different clan than Scott. Their clans are at odds, but they fall in love. They then try to find a way to bring peace between the clans through their relationship. For example, they could start by sharing their respective clan's secrets and traditions to build trust.
For Fem Percy, her character could be developed by showing her struggle with being different from the traditional Percy. Maybe she has some insecurities about living up to the name. As for Scott, his loyalty can be further explored. For example, when faced with a choice between his pack and Fem Percy, how does he decide?
One plot idea could be that Fem Naruto, with her unique ninja skills and determination, teams up with Anko on a dangerous mission. They start off as reluctant partners but gradually grow to respect and trust each other. Along the way, they face powerful enemies and have to use their combined skills to survive. Maybe there's a mystery involving an ancient ninja art that only they can unlock together.
Perhaps in this fanfiction, Fem Naruto has a unique ability that only Kakashi can help her control. As they train together to master this power, they spend a lot of time in close proximity. This leads to them sharing personal stories and gradually falling in love. For example, Naruto might open up about her insecurities of being a female ninja in a male - dominated world, and Kakashi would comfort and encourage her.
One plot idea could be that Fem Percy, with her unique skills and courage, is wrongly accused by Zeus of a crime she didn't commit. She then has to prove her innocence while facing various challenges set by Zeus. Another idea is that Zeus, intrigued by Fem Percy's power, tries to recruit her for a special mission, but Fem Percy has to decide if she can trust Zeus. A third plot could be that there is a prophecy involving both of them, and they must work together despite their differences to prevent a great disaster.
One plot idea could be Fem Percy having to prove herself to the gods in a series of trials. Since she's female in this version, she might face different expectations and prejudices from the male - dominated pantheon. Another idea is a love story between Fem Percy and a god, like Apollo perhaps, and how their relationship is complicated by the power dynamics between mortals and immortals.
One plot idea could be that Fem Percy, with her demigod powers, ends up in Gotham. Batman initially suspects her of being a new threat. But as they interact, they realize they can help each other. Fem Percy could use her water - controlling abilities to help Batman during a flood situation in Gotham caused by a villain. Another idea is that Fem Percy is on a quest that somehow intersects with Batman's fight against a criminal organization that has ties to ancient magic, which Fem Percy is more familiar with.
One plot idea could be that the Fem Juubi, in a more sentient form, initially sees Naruto as a threat due to his power. But as they interact, she discovers his kind heart. Maybe Naruto has to convince her to use her power for good instead of destruction. For example, he shows her the beauty of the ninja world and the bonds between people.
One plot idea could be Fem Percy Jackson joining Artemis' hunt. Since Percy has her own set of skills and powers, it would be interesting to see how she adapts to the life of a hunter. Maybe she could bring a new perspective to the group and help them in ways they haven't thought of before.
A plot idea could be her facing discrimination from some demigods who underestimate her because of Hestia's peaceful nature. She then has to overcome this and show them her strength. She might be involved in a mystery where the hearths of various demigod camps are going out one by one, and she has to figure out the cause and fix it. This could lead her to discover an underground plot by some dark force that wants to disrupt the peace among the demigods. Also, her friendship with other demigods, especially those from different cabins, could be explored as she tries to bring unity among them.
One idea could be that Fem Percy, as a daughter of Poseidon, is underestimated in a male - dominated Athens. She has to prove herself in the various trials and challenges set by the city - state, like competing in a special athletic event where only men are expected to participate. This could lead to her making new allies and enemies alike.