Friendship is also a big theme. Neptune has a lot of interactions with other RWBY characters, and fanfictions often delve into how these friendships develop. Like how he bonds with Jaune over shared experiences or his banter with Nora.
One common theme is the exploration of their relationship. Whether it's a budding romance or just a strong friendship, many fanfictions focus on how they interact with each other.
Another interesting one is 'Neptune's Team - up'. This fanfiction focuses on Neptune teaming up with some unexpected characters from RWBY. It shows how his skills blend with theirs in different combat and problem - solving situations, and it's a really fun read.
One interesting storyline could be Neptune and Weiss going on a mission together. They might start off bickering as they have different personalities, but as the mission progresses, they learn to rely on each other's strengths. Neptune's laid - back nature could balance out Weiss's more uptight attitude. Another could be a story where Neptune gets injured and Weiss has to take care of him, leading to a deeper emotional connection between them. And there could also be a fanfiction where they both discover a new type of Grimm and have to figure out how to defeat it together, during which their relationship blossoms.
One popular 'rwby weiss and neptune fanfiction' is 'Frosty Encounters'. It delves into their relationship in a really interesting way, exploring how they interact in different situations within the RWBY universe.
For Neptune, a great character development would be him becoming more responsible. In a fanfiction, he could start off as the carefree guy, but as he spends more time with Weiss, he realizes he needs to step up. He might start taking his studies at Beacon more seriously or be more reliable during missions. For Weiss, her character development could be learning to let go of some of her prejudices. She initially might think Neptune is just a slacker, but as she gets to know him better, she becomes more open - minded and accepting of different personalities.
One good 'rwby ruby x neptune fanfiction' story could be 'A Chance Encounter'. It might explore their relationship in a new setting, like during a mission where they have to rely on each other more than usual. Another could be 'Unexpected Bond' which delves into how their personalities, Ruby's enthusiasm and Neptune's laid - back nature, interact and grow closer over time. There's also 'Shared Secrets' that could be about them sharing things they haven't told anyone else and deepening their connection through that.
You can try fanfiction.net. It has a large collection of RWBY fanfictions, and there's a good chance you'll find some great 'rwby ruby x neptune' ones there. Another place is Archive of Our Own (AO3). It's known for its wide variety of fan - created works, and it's very likely that you'll come across some interesting stories about Ruby and Neptune there.
Archive of Our Own (AO3) is a great place to find RWBY Sun and Neptune fanfictions. It has a large collection of works with different themes and ratings. You can easily search for fanfictions specifically about them using the search bar.
One great Neptune RWBY fanfic could be 'Neptune's Adventure in Vale'. It might explore his character in more depth as he navigates the challenges in Vale. Another could be 'Neptune and Team RWBY's Team - Up' where he teams with the girls on an exciting mission. There's also 'Neptune's Hidden Talents' which could uncover some unexpected abilities of his.