One interesting plotline could be them initially struggling with their new family dynamic. For example, Sasuke might be distant and cold at first, while Sakura tries hard to build a connection. Another could be them facing challenges together from school bullies who target them because of their new family situation. And there could also be a plot where they discover a shared interest in something like martial arts and it helps them bond.
Well, a common plotline is their journey of self - discovery within the context of being step - siblings. Sasuke might be dealing with his past traumas and Sakura, with her insecurities. As step - siblings, they could start to rely on each other for emotional support. Maybe they get involved in a community project together and through that, their relationship evolves from a forced family connection to a true, deep bond. They might also have to deal with jealousy from other characters who misinterpret their relationship.
One interesting plotline could be Sasuke and Sakura's journey in rebuilding their relationship after years of separation. They might face challenges like dealing with Sasuke's past traumas and how it affects their new family life. Another could be Sakura using her medical skills to help in their village while Sasuke is away on missions, and they communicate through letters, strengthening their bond.
One interesting plotline could be Sasuke finally fully realizing Sakura's unwavering love for him during his travels and coming back to the village to start a relationship. He might see how much she has grown as a kunoichi and as a person, and that could spark his romantic feelings.
One interesting plotline could be their adjustment to domestic life. For example, Sasuke might struggle with being more open and communicative at home, while Sakura tries to make their house a warm and loving place. They could also face challenges from outside, like threats to their family which they have to overcome together.
In step - siblings fanfiction, Sasuke's character often develops from a solitary figure to someone who values family more. Sakura's presence in his life as a step - sister makes him realize the importance of having someone to care about. For Sakura, she may develop a stronger will. When Sasuke challenges her or when they face difficulties together, she grows. For example, if they have to deal with a family financial crisis, Sasuke might become more responsible and Sakura more resourceful, which are new aspects of their characters.
A common family - friendly plotline is their wedding and the events leading up to it. It can include things like Sakura choosing her wedding dress, Sasuke getting advice from his friends on how to be a good husband, and their friends and family preparing for the big day. Another plotline could be them having a baby and the challenges and joys that come with raising a child in the ninja world, like teaching the child ninjutsu or protecting them from potential threats.
In some fanfictions, their secret relationship could start during their time as teammates. Maybe they start to have feelings for each other during a difficult mission but keep it a secret to avoid any distractions or interference from others, especially Naruto who might not understand at first. They could communicate through hidden glances and small gestures that only they understand.
In certain fanfictions, there could be a plotline centered around a time - travel element. Sakura might go back in time and try to change the course of events that led to Sasuke's dark path. This would give her the chance to interact with a younger Sasuke and perhaps prevent him from leaving the village in the first place, which would then lead to a different kind of relationship between them.
One plot idea could be that they grow up in a hidden village where they have to face a new and powerful enemy together. As siblings, they would have a stronger bond than in the original story, which could lead to some really intense and emotional fight scenes where they protect each other at all costs.
In another plotline, Sakura might start a new relationship with someone else in the village. Because of this new love, she becomes indifferent to Sasuke. Maybe she and Rock Lee start training together more often and develop feelings. As a result, when Sasuke is around, she is more concerned with Lee's well - being and her relationship with him rather than Sasuke's presence.
Some fanfics might have a plot where Sasuke and Sakura get transported to an alternate universe. In this universe, they are not ninjas but ordinary people. This forces them to rely on each other in different ways and they discover new aspects of their personalities and their relationship.