Well, in levi and petra fanfiction, a prevalent theme is duty. They have a sense of duty towards their mission and their superiors, and this often clashes with their personal feelings. Another is the theme of regret. Maybe Levi regrets not seeing Petra's feelings sooner, or Petra regrets not being more forward. The theme of courage is also there. They show courage in battle, but also in their personal relationships, like having the courage to admit their feelings. These themes help to make the fanfictions more complex and interesting.
One possible plot could be them building a life together after the chaos of the Survey Corps. They might face challenges like adjusting to civilian life, dealing with Levi's past traumas that still haunt him. Maybe they start a small family and have to protect their new life from any remaining threats from the Titans.
One great Levi and Petra fanfiction is 'A Soldier's Promise'. It beautifully portrays their relationship within the military setting. Another is 'Petra's Hope', which delves deep into Petra's feelings for Levi. There's also 'Levi and Petra: Unspoken Bonds' that shows their unspoken connection in a very touching way.
It could develop with a lot of mutual understanding. Levi, being the strong but reserved type, would gradually open up more to Petra. And Petra would be there to support him through his nightmares. Their relationship might also grow as they learn to work together in new ways, like running a small business in their post - Survey Corps life.
One key element is the clash of their different worlds. Naruto comes from a world of ninjas with chakra and jutsus, while Petra has her own world with its own set of rules. Their interaction in a shared space is always interesting.
One great Naruto and Petra fanfiction is 'The Unlikely Bond'. It shows an interesting crossover where Naruto's skills and Petra's determination interact in a unique way. It has a great plot that keeps you engaged from start to finish.
Fanfiction about Eren and Levi kissing can be quite interesting. It might explore a different side of their relationship. Some fanfictions in this regard could be about a moment of emotional intensity between them, where the kiss represents a deep connection that goes beyond their usual interactions in the original story.
One great story could be 'Petra's Adventure with the Reader'. It might involve the reader joining Petra on a dangerous quest in the Minecraft world of MCSM. They could face mobs together and develop a strong bond along the way.
One aspect of Levi x Eren family fanfiction could be the exploration of their relationship in a family - like dynamic. It might involve how they support and protect each other within this new family structure. For example, Levi could be a strict but caring figure, while Eren is the one with new - found responsibilities in this family.