One popular trope is the 'first kiss' scenario. It could be a long - awaited moment after a lot of build - up in the story, with both characters being nervous and excited at the same time.
Fanfiction.net is also a good place to look. It has a vast collection of fanfictions. However, the search function might be a bit trickier. You may need to be more specific in your search terms, like adding the name of the show they are from, if it's from a particular series, and then look for the ones that mention their kiss.
Love is a very common theme. Since their relationship has a strong romantic element, fanfictions often explore different aspects of their love, like first love or rekindled love. Another theme is friendship, as they were friends before becoming more. And then there's the theme of acceptance, especially in terms of their relationship within their community.
One popular trope is the 'hurt/comfort' scenario. For example, Dean gets injured on a hunt, and Cas takes care of him, which leads to a tender moment and a kiss. It plays on the emotional bond between them and the protectiveness they feel for each other.
One popular trope is the 'First Kiss' trope. It often builds up a lot of tension between Castiel and Dean before they finally share that first, passionate kiss. Another is the 'Forbidden Love' trope, as their relationship within the context of the show has many obstacles, and this is often explored in fanfiction with their kisses being something that goes against the norm or is kept secret.
One popular trope is the 'First Kiss' scenario. It often involves a lot of build - up of emotions between Katara and Suki, like a slow - burning friendship that suddenly blossoms into something more when they share their first kiss. Maybe they've been through some adventure together and in a moment of celebration or relief, the kiss happens.
Another trope is the 'Kiss that Changes Everything'. In this case, the kiss between Jamie and Eddie is a turning point in their relationship. It could make them finally admit their love for each other, or it could create some sort of conflict if they're not ready for the implications of the kiss, like how it will affect their friendship or their professional lives.
One common trope is the 'First Kiss' story. This usually focuses on the build - up to their first kiss, exploring the emotions and hesitations of both Carmilla and Laura. It often delves into their relationship development leading up to that special moment.
One popular trope is the 'accidental kiss'. For example, during a wild game of truth or dare, a character might be dared to kiss another, but due to some clumsiness or unexpected movement, it becomes a more intimate and accidental moment. Another is the 'jealousy trope'. If one character sees their love interest kissing someone else during a dare, it can lead to a whole new set of emotions and plot developments. There's also the 'first kiss' trope, where the game of truth or dare serves as an excuse for two characters who have been secretly attracted to each other to finally have their first kiss.
There's also the 'dramatic moment' trope. This could be when there's some sort of danger or high - stakes situation, and the kiss is a way to express their feelings before something big happens, like Stan having to go on a dangerous adventure and Wendy kisses him goodbye.
The 'reunion kiss' can be a great trope too. If Blaine and Sam have been apart for some time, like if one of them had to go away for a while. When they meet again, the emotions are overwhelming and they share a long - awaited kiss. This kind of trope can be very emotional and heart - warming in fanfictions.