In 'the Croods guy x oc fanfic', a common theme is discovery. The Croods guy and the OC might discover new things about each other, like hidden talents or fears. There's also the theme of growth. Both characters can grow as individuals through their interactions. For example, the Croods guy might become more open - minded because of the OC. Additionally, the theme of cooperation is often present. They need to cooperate to deal with threats, whether it's from nature or other pre - historic tribes.
Survival is also a key theme. The prehistoric setting means that the characters, both the reader and the Croods guy, have to constantly fight for survival. They need to find food, shelter, and protect themselves from the many threats around them. This theme often drives the plot forward, as the characters make decisions based on their need to survive. And in the process of surviving together, their relationship deepens, which ties in with the relationship - building theme.
I'm not sure which specific 'the Croods guy x oc fanfic' is really good at the moment. But you could start by looking at the reviews and ratings on different fanfic websites. Usually, the ones with high ratings and positive reviews are worth reading. Maybe the stories where the OC has a special skill or trait that complements the Croods guy would be interesting, like if the OC is really good at inventing things and helps the Croods survive in a new way.
It could be a fanfic that focuses on their relationship. For instance, how they first met and how their feelings for each other grew over time. Eep, being the adventurous one, might have initially caught Guy's attention with her boldness. And as they spent more time together, they realized they had a special connection.
One common theme is friendship. Since there are three OCs, their relationships with each other often form a big part of the story, like in 'The Trio's Friendship' where they rely on each other through thick and thin.
The guy in The Croods cartoon is usually depicted as adventurous and curious.
It could be an adventure genre. Given the pre - historic setting of The Croods, there are so many opportunities for exciting escapades. They could be exploring uncharted territories, searching for food or a new place to live. With Guy's intelligence and Eep's courage, they would make a great adventure - seeking duo.
One popular 'the croods guy x reader fanfic' might be 'A New Adventure with the Croods Guy'. It often has the reader inserted into the prehistoric world of the Croods, sharing exciting experiences with the male lead. They might go on a hunt together or discover new lands.
A common theme is the integration of the oc into the Avengers' world. It often involves the oc proving themselves worthy to be part of the team.
One common theme is self - discovery. Since the OC is reincarnated, they often have to figure out who they are in this new life. Another theme is redemption. Maybe in their past life they made mistakes, and now they get a chance to make things right. Also, power - growth is a theme. As they adapt to the new world, they usually gain new abilities and grow in power.
A common theme could be friendship. Oc and Shiho might be depicted as having a strong bond and going through various experiences together that strengthen their relationship.