A frequent theme is their loyalty to each other. In many fanfictions, no matter what challenges they face, they remain loyal. For example, in some stories, they might be faced with an enemy trying to turn them against each other, but their loyalty prevails. Also, the theme of their unique connection to the cosmos is often explored. They are often depicted as having a special bond with the stars and planets, which is related to their powers and identities as Sailor Scouts.
One great Sailor Uranus and Neptune fanfiction is 'The Bond Beyond Stars'. It beautifully explores their relationship in a way that stays true to their characters. It has a lot of emotional depth and shows how they support each other through various challenges.
There are indeed non - adult - related fanfictions. A lot of them explore their relationship as comrades. They could be written in a way that shows their mutual respect and how they support each other during battles. Maybe they are on a mission to rescue one of their fellow Sailor Scouts, and the story details their strategies and the bond between them.
A major characteristic is the creative use of powers. Ranma has his martial arts skills and curse - related abilities, and Sailor Neptune has her own set of powers. Fanfics might have them team up and use their powers in combination to fight off enemies or solve problems. Also, the character growth aspect is important. As they interact, both Ranma and Sailor Neptune are likely to change and learn from each other, which makes for an interesting read.
Common themes include their exploration of the magical world they are in. They might go on a quest to find a lost magical item that is important for their powers. Additionally, the theme of sisterhood can be present. They are like sisters in the Sailor Scout family, and fanfictions can show how they care for each other, like helping each other get over a difficult time or celebrating their victories together.
Another good pairing could be Sakura and Sailor Uranus. Sakura's growth from a weak girl to a strong kunoichi could be paralleled with Sailor Uranus' own journey of self - discovery. They could bond over their experiences and help each other become even stronger in the fanfiction.
There could be a fanfiction where Sailor Uranus ends up in the Naruto universe and has to adapt to its ninja ways. She could learn chakra control and use it in combination with her own powers. This would create an interesting dynamic as she interacts with the different ninja clans and characters like Sasuke and Sakura.
One popular Ranma x Sailor Neptune fanfic is 'A Chance Encounter'. It beautifully weaves their two different worlds together. The story has great character development for both Ranma and Sailor Neptune, showing how they gradually understand and fall in love with each other. It also has some really exciting plot twists that keep readers hooked.
Well, there's this fanfiction called 'Sailor Mars and Sailor Venus: A New Chapter'. It takes an interesting approach where they go on a journey to discover a new power source together. The author does a great job of building their relationship in a unique way. Also, 'The Red and the Gold' is a fanfic that focuses on their different personalities and how they complement each other in the fight against evil.
You can start by looking on fanfiction.net. It has a large collection of Sailor Moon related fanfics, including many focused on Sailor Mars and Sailor Venus. Another good place is Archive of Our Own (AO3). It has a well - organized tagging system that makes it easier to find the specific fanfics you're interested in.