Yes, it's very likely that Alexandra is a character in a Harry Potter fanfiction named 'Alexandra Quick'. In many fanfictions, the title often features a main character's name.
As I said before, without more context, it's hard to determine who they specifically are. They could be just ordinary people in a small town with their own simple and beautiful love story, or they could be figures from a certain historical era or a fictional story.
In this fanfiction, Emily Jacobs could be an ordinary human who has some sort of hidden connection to the world of Percy Jackson. Maybe she has a long - lost relative who was a demigod or she has a special gift that she doesn't even know about yet.
If we think about it, Jacobs in the story might have certain goals or dreams. Maybe he is on a journey to achieve something, like finding a lost treasure or reuniting with his family. His character might be developed through the events and interactions he has in the story.
I'm not sure which 'Jacobs' story you specifically mean. There could be many stories about people named Jacobs. It could be a story about a Jacob's adventure, his family, or his achievements. Without more context, it's hard to tell the exact story.
Sunny Jacobs was a woman who was wrongly convicted. She endured a long and unjust imprisonment. It was a story of great struggle and the fight against a flawed justice system.
I'm not sure exactly what this Alexander and Alexandra's love story is. But let's assume Alexander was a writer and Alexandra was an artist. They could have met at an exhibition. Alexander was fascinated by Alexandra's creative works and Alexandra was attracted to Alexander's deep thoughts in his writings. They began to communicate more, and soon love blossomed between them. They traveled together, exploring different places for inspiration, and their love story continued to unfold.
I'm not sure specifically what Alexandra's secret story is as there could be many Alexandras with different stories. It could be about a hidden talent, a past adventure, or a personal achievement she has kept private.