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.
Mikasa and Eren don't kiss in the manga. The focus of their connection lies in different aspects of their shared experiences and the evolving plot rather than a romantic kiss.
Sure, Mikasa kisses Eren. This occurs during a crucial and emotional part of the story that has a big impact on their relationship and the plot as a whole.
In a good 'Armin and Annie Kiss' fanfiction, the dialogue plays an important role. The way they communicate with each other can show their growing affection. Their conversations should be nuanced and reflect their personalities. Additionally, the fanfiction should explore the consequences of their kiss. How does it affect their relationships with other characters? Does it change their own self - perceptions? All these elements combined can make a fanfiction really stand out.
One popular 'Armin and Annie Kiss' fanfiction is 'A Moment in Time' on FanFiction.net. It beautifully captures their relationship development leading up to the kiss.