One interesting storyline could be that Female Obi - Wan takes on a more maternal role towards Anakin and Ahsoka. She could be the one to help Anakin better control his emotions, which was a struggle in the original story. For Ahsoka, she could train her in a different way, perhaps focusing more on the spiritual side of the Force. This would change the dynamics of their relationships and lead to new adventures where they work together more harmoniously as a family unit.
One possible storyline could be that the female Obi - Wan discovers a lost child during a mission. Anakin and Ahsoka then help her take care of the child. They face many challenges like protecting the child from the Sith. As they do this, they also learn important lessons about family and loyalty.
Female Obi - Wan might develop a more nurturing side. Instead of the more stoic Obi - Wan we know, she could be more openly affectionate towards Anakin and Ahsoka. Anakin, with this different influence, might not be as quick to turn to the dark side. He would have more emotional support. Ahsoka would grow to be more confident, as she has two strong role models in Female Obi - Wan and Anakin. She would be able to learn from their different styles of using the Force.
One interesting storyline could be exploring their relationship during Anakin's early days as a Padawan. It could show Obi - Wan's struggle to train a headstrong Anakin while also dealing with his own insecurities. Maybe there are adventures where they face a new Sith threat together and Anakin has to learn to control his emotions in the heat of battle.
One interesting Anakin and Obi - Wan fanfiction could be about their early days as master and apprentice. It might explore how Obi - Wan tried to teach Anakin the ways of the Force, like in a story where they go on a mission together to a strange planet. Anakin might make some rookie mistakes and Obi - Wan has to patiently guide him. Another could be a story set during the Clone Wars, where they face a difficult battle and have to rely on each other's skills to survive. There are also fanfictions that explore what could have happened if Anakin had not turned to the Dark Side, and how their relationship would have continued to grow and develop in a positive way.
One great storyline could be Anakin and Obi - Wan teaming up against a new Sith threat that is more powerful than they initially thought. They have to put aside their differences and combine their skills, with Obi - Wan's calm and calculated approach and Anakin's raw power. Another could be a pre -quel type of fanfiction where we see their early days of training together in more detail, like how they overcame certain challenges during their training sessions.
One interesting storyline could be Ahsoka and Anakin going on a mission together that takes them to a mysterious and dangerous planet. They have to rely on each other's skills and the bond they share to survive.
The presence of a child would likely make their relationships more nurturing. Female Obi - Wan might take on a more motherly role towards the child, and Anakin and Ahsoka would be influenced by her example. They would become more protective of each other as they are all responsible for the child's well - being.
A possible plot could be that female Obi - Wan has a premonition about Anakin's fall to the dark side. In an attempt to prevent it, she tries to get closer to him on an emotional level. As she does this, they develop feelings for each other. However, the closer she gets, the more she realizes that some things are fated to happen. But their love gives her the strength to keep trying to save him from the dark side, and they go through many trials together in their quest to change Anakin's fate.
One interesting plotline could be a battle that takes place in an alternate universe where Anakin and Obi - Wan have different allegiances from the start. Maybe Anakin is a Sith Lord right from the beginning and Obi - Wan has to face his former apprentice in a more cut - throat battle.
In many Obi - Wan and Anakin fanfictions, the theme of mentorship is key. Obi - Wan's role as Anakin's teacher and guide is central. Also, the idea of destiny plays a part. Whether they can fulfill their destinies together or separately is a common plot point. Additionally, the theme of sacrifice is present, as both characters are in a position where they may have to sacrifice for the greater good or for each other.