A prevalent theme in kimg kong x oc fanfic is discovery. The OC discovers new things about Kong, whether it's his abilities, his past, or his personality. Also, survival can be a theme, especially if the setting is a dangerous one where the OC and Kong have to rely on each other to stay alive. For example, in some fics set in a hostile jungle environment, they must work together to find food and shelter.
I'm not sure if you'll find it easily, but there's a kimg kong x oc fanfic that's set in a post - apocalyptic world. The OC is a survivor and Kong becomes an unexpected ally. The story has a lot of action and adventure as they face various threats together. The author does a great job of building the relationship between the OC and Kong over the course of the story.
A common theme is power dynamics. Given that both Godzilla and Kong are extremely powerful, fanfics often explore who is stronger in different situations. Another theme is friendship or rivalry. Some fanfics focus on them becoming friends, while others emphasize their rivalry.
A common theme is self - discovery. The OC often discovers new things about themselves through their interactions with Jasper. For example, they might find out they are braver or more empathetic than they thought.
Common themes in 'x oc pregnant fanfic' often revolve around the emotional aspect. The oc may experience a range of emotions from fear to joy. There can be a theme of protection, where 'x' becomes very protective of the oc and the unborn child. Social implications can also be a theme, like how the couple is perceived in their community or within their fandom. Additionally, there could be a theme of growth, both for the relationship between 'x' and the oc and for the individual characters as they step into new roles as parents - to - be.
One common theme is redemption. The OC might help Scorpion find a path towards redemption from his past deeds. Another theme is love. It could be a slow - burn love story between the two characters. And power, like the OC having some special power that either complements or challenges Scorpion's own powers.
One frequent theme in 'Obito x OC fanfic' is the exploration of power and how it affects relationships. The OC might have unique powers or abilities that interact with Obito's. For example, if the OC has a power related to time - travel, it can create an interesting dynamic with Obito's own powers. Also, the theme of loyalty is often explored. As Obito has had issues with loyalty in the original story, the fic might show how the OC helps him regain his sense of loyalty or how they are loyal to each other in difficult situations. It can be really engaging to see how these themes play out in different fics.
One common theme is friendship. Since Momonga is often in a new and strange world, having an OC as a friend can add a lot of depth to the story. Another theme is adventure. The OC usually joins Momonga on his various adventures in the new world.
Another theme is redemption. Sometimes Loki is in a state where he needs to redeem himself and the OC becomes a part of that journey. They help him see things in a new light and grow as a character. It makes for a very engaging read.
One common theme is the discovery of self. The OC often comes into Saiki's world and through their relationship, both characters learn more about themselves. Another theme is friendship. Despite Saiki's initial reluctance, a friendship forms which is central to many stories.
One common theme is the contrast in personalities. Shikamaru is often lazy - looking but highly intelligent, and the OC usually has a more energetic or different type of intelligence that creates an interesting dynamic. For example, in many fanfics, the OC might be impulsive while Shikamaru is more calculating.