One common theme is self - discovery. The oc characters often go through a journey to find out who they really are. Another theme is friendship. Civilians in these fanfictions usually form strong bonds with each other. And there's also the theme of adapting to change. Since they are in a fan - created world, they have to deal with new situations all the time.
Well, there's this fanfiction called 'Among the Civilians: Reby's World'. It delves deep into the relationships between the original characters and the civilian ones. It has a really interesting plot that keeps you hooked. Also, 'Civilian Reby oc: The Hidden Tales' is quite good. It reveals some secrets about the civilian characters that you might not expect.
One great Naruto civilian OC fanfiction is 'A Civilian's Path in Konoha'. It focuses on an ordinary civilian who tries to make a difference in the village. The character development is really interesting as the civilian overcomes various challenges in a ninja - dominated world.
If'reby' is a misspelling, perhaps it was meant to be 'ruby' or something else. Without more context, it's difficult to accurately define what this 'reby adult fanfiction' might be. It could be a new or very local genre that hasn't gained wide recognition.
First, think about their background. Are they from a poor family in Konoha or a wealthy merchant family? This will shape their values. For example, a poor civilian might be more resourceful. Then, consider their skills. It doesn't have to be ninja skills. Maybe they are really good at cooking and use that to interact with ninjas. Also, give them a distinct personality. Are they shy or bold? This will make your OC stand out.
One common theme is the idea of an ordinary civilian entering the extraordinary world of shinobi. It often involves the OC civilian learning about the ninja way and how different it is from their civilian life. Another theme is friendship. The relationship between the OC and Naruto usually starts as a friendship and may or may not develop into something more. Also, the theme of acceptance is there. The OC civilian has to be accepted by the shinobi community and vice versa.
I don't think it's appropriate to recommend something that is so unclear and might be related to adult content. Instead, you can look for fanfiction on platforms like Archive of Our Own or FanFiction.net and search for popular and well - rated works that are not related to this ambiguous'reby' concept.
There are fanfictions where a civilian OC has a special connection to the spirit world. This civilian might be able to see and communicate with the spirits of past ninja, and through this connection, they help solve mysteries or prevent disasters in the village. It adds a whole new layer of mystery and magic to the Naruto universe.
One interesting civilian OC RWBY fanfic could be one that focuses on a civilian who has to adapt in a world full of Huntsmen and Grimm. For example, a story where a civilian OC tries to use their unique skills, like being an excellent inventor or a great strategist, to contribute to the safety of their village or city without having the combat abilities of a Huntsman or Huntress.
One common theme is the struggle for acceptance. Since civilians are often overlooked in the Naruto world, the OC usually has to fight to be recognized. For example, they might try to join ninja activities or gain respect from the shinobi community.