A possible plotline is that they go on a journey to discover more about their family's past. Along the way, they start to develop deeper feelings for each other than just sibling - like love. They struggle with this new - found emotion because of the taboo nature of it in the context of their family. Allison might use her power to try and make Luther forget about his doubts regarding their relationship, but then realizes that's not the right way. They then have to face the truth and figure out how to move forward while still being part of the family.
Perhaps a plotline where Allison and Luther are forced to work undercover in the normal world. They pretend to be a couple to blend in, which makes them realize how well they actually get along on a more personal level. As they face normal - world problems like getting a job and making friends, they also have to keep their powers a secret. This experience brings them closer together as they rely on each other in a completely different environment from the Umbrella Academy.
One interesting plotline could be Allison and Luther trying to reconnect after years of being apart due to the chaos in their lives. They might start by sharing memories of their childhood in the Academy that they had long forgotten. For example, they could recall a particular training session where they had to rely on each other to complete a difficult task. Another plotline could involve them facing a new threat together and having to use their unique abilities in harmony. Allison's power of rumor manipulation and Luther's super strength could combine in unexpected ways to defeat the enemy.
A lot of fanfictions might explore the romantic aspect between Luther and Allison. In some, they might start off as just friends but gradually realize they have deeper feelings. For instance, they could be at a family gathering and have a moment where they look at each other differently. There could also be fanfictions where they are forced to pretend to be a couple for a mission, but then the lines between pretense and reality start to blur. And then there are those fanfictions that look at how their powers interact in relation to their relationship. For example, Allison's power of suggestion could play an interesting role in how she and Luther communicate and understand each other in the story.
In a Luther and Allison fanfiction, there could be a lot of emotional moments. For example, they might have to face their past traumas together. Since they are siblings in the Umbrella Academy, the fanfiction could explore a deeper bond that goes beyond the typical sibling relationship, like they rely on each other more than ever to deal with the chaos of their lives.
One potential theme could be family. Despite their complex relationship as siblings in the Umbrella Academy, the fanfiction could focus on how they strengthen their family bond. Another theme could be self - discovery. They both have unique powers and personalities, and the fanfiction could explore how they learn more about themselves through their interactions.
Well, Allison's power of rumor - spreading can be used to enhance Luther's physical strength. For example, she could spread a rumor that Luther is invincible, which might give him an extra boost of confidence and make his strength even more effective in a fight. Or she could use her power to create a distraction while Luther uses his strength to take down an enemy directly.
I'm not sure of specific titles off the top of my head, but you can start by looking on fanfiction.net or Archive of Our Own. These platforms usually have a wide variety of fanfictions about different characters, including Luther and Allison from The Umbrella Academy. Just search for their names and you'll likely find some great stories.
One interesting plot could be where Vanya and Allison have to team up to face a new threat that the official story didn't cover. Maybe a time - traveling villain who is trying to change the past in a way that would be disastrous for their family. They would have to put aside their differences and use their unique powers together to stop this threat.
One great 'Umbrella Academy Luther Fanfiction' is 'Luther's Redemption'. It delves deep into Luther's character, exploring his insecurities and his journey towards self - acceptance outside of his superhero identity. The story has well - written dialogues that really bring out the essence of Luther's complex personality.
One interesting plotline could be the characters sharing their backstories in the group chat that were never fully explored in the original show. For example, Klaus might talk about his experiences in the afterlife in more detail.
One example could be a fanfiction where Luther's decisions are constantly questioned and criticized by the other characters. Maybe they blame him for his over - protectiveness which often leads to more problems.
One possible storyline could be about how they navigate the challenges of impending parenthood while also dealing with their unique family situation. For example, they might worry about how their child will be received by the rest of their rather unconventional family.