You can try looking on fanfiction websites like Archive of Our Own (AO3). It has a vast collection of Supernatural - related fanfics. Just use the search function and type in 'female Sam Winchester and Kevin Tran' to see what pops up.
One common theme is friendship. They might be portrayed as really good friends who support each other through various challenges in the Supernatural world. For example, helping each other with research or getting out of dangerous situations.
There are a few authors who are known for their detailed and action - packed 'Supernatural Kevin Tran fanfiction'. One such author creates scenarios where Kevin is in the middle of intense battles against demons and uses his wits and powers to survive. Their writing style is very engaging and they manage to keep the essence of the 'Supernatural' world while also highlighting Kevin's unique role. Another author is great at writing emotional arcs for Kevin, exploring his relationships with the other characters in depth.
There are fanfictions where Kevin Tran gets to travel to different realms. In one, he travels to a realm of angels and has to bargain with them to save Sam and Dean. He uses his intelligence to outwit the angels and secure a deal that benefits the Winchesters. Some fanfictions also explore his relationship with other hunters, like how he might mentor a new young hunter using his knowledge of the supernatural.
You can start by looking on Archive of Our Own (AO3). It has a vast collection of fanfictions, including many about female characters and Sam Winchester. Just use the search bar and type in relevant keywords.
Typically, in bella and sam winchester fanfiction, there is a strong focus on their relationship. It could be a slow - burn romance where they gradually fall in love while dealing with the perils of the supernatural world they inhabit.
One great female Sam Winchester fanfiction is 'A Different Path'. It explores an alternate universe where Sam has a different relationship with the female lead. It's really interesting to see how their characters interact in this new setting.
One common theme is the idea of the female character being a source of support for Sam. In many fanfics, she helps him through tough times, whether it's dealing with his past traumas or facing new threats. Another theme is the exploration of Sam's more sensitive side through his interactions with the female. It's like the female character brings out a different part of him. And often, there's a theme of a budding romantic relationship, which adds an interesting dynamic to the story.
In this type of fanfiction, the 'lemon' aspect might involve some intense and somewhat inappropriate moments of attraction between them. However, it's important to note that in the Supernatural universe, this is a very dark and twisted pairing. For example, Lucifer could use his powers to create illusions that play on Sam's deepest desires, which Sam has to fight against. This would add a layer of psychological drama to the story.
Well, a simple take could be that in the fanfiction, Lucifer and Sam find themselves in a situation where they are forced to work together. This proximity leads to some underlying tension that has a 'lemon' undertone. Maybe they are in a fight against a common enemy and during the battles, there are these intense moments of eye contact and unspoken attraction.