Ruby would likely be very enthusiastic. She is always eager to see her friends in new and exciting situations, and fanfiction can provide that. Weiss would initially be a bit of a skeptic, checking for grammar and proper use of the characters. But if it had a good plot, she could become a fan. Blake would be more into analyzing how the fanfiction portrays the emotional bonds between the characters. Yang would just have a great time reading it, especially if there were some cool action scenes with her in it.
Well, Ruby from Team RWBY might be a bit flustered. Since Team RNJR has her sister Yang in it. She could be happy that there are stories written about their adventures. Weiss might be a bit critical at first, looking for proper character portrayals and accurate depictions of their relationships. Blake, on the other hand, might be more interested in the underlying themes of the fanfiction, like the friendship and loyalty aspects.
Ruby, being young and innocent, would be extremely uncomfortable and probably try to pretend she never heard of it. Weiss, with her proper and sometimes uptight nature, would be outraged and would not tolerate its existence. Blake, while she has a more nuanced view on different types of literature, would still consider this inappropriate for their group and the general image they uphold. Yang would also be quite disgusted and would probably make it clear that she doesn't support this kind of fan - made content related to their friend Jaune.
One interesting RWBY Team RNJR fanfiction could be about their adventures in a new, uncharted part of Remnant. They might encounter unique Grimm species and have to develop new combat strategies. For example, they could find a Grimm that can camouflage itself perfectly in the forest, and RNJR has to rely on Ruby's Silver Eyes to detect it at first.
Yang would be excited too. She's a very energetic character. She might see the fanfiction as a fun addition to the RWBY universe. If there are any action - packed parts in the fanfiction related to the music, like how a song pumps up a character before a fight, Yang would be really into it. She might even start coming up with her own ideas for similar fanfictions.
A great place to start looking for RWBY Team RNJR fanfiction is Archive of Our Own (AO3). It has a large collection of fan - made stories with various themes and writing styles related to RWBY in general and Team RNJR specifically.
Weiss would be more analytical. She'd focus on the quality of the writing, grammar, and the way the story is structured. Blake would look for deeper meanings and themes, like how the fanfiction reflects on power dynamics or friendship. Yang would simply enjoy the action - packed parts and any cool fight scenes.
Ruby would probably be very excited. She loves new stories and ideas, so fanfics would be like a treasure trove for her. Weiss might be a bit more reserved at first, but would gradually get into it if the fanfic was well - written. Blake would be looking for deeper meanings and connections in the fanfics, while Yang would be the one to cheer and comment loudly on the action - packed or humorous parts.
Ruby would be very interested and might want to share it with her friends. Yang would probably like the action parts if there are any. Weiss might be a bit hesitant at first but could warm up to it.
Some would be curious. Hawkeye might pick up on the unique skills and abilities given to the Team Red characters in the fanfiction and compare them to his own. He could either be inspired or find it a bit far - fetched.
You can start by visiting popular fanfiction websites like Archive of Our Own (AO3). Just search for 'RWBY Team RWBY' and you'll get a bunch of results. Sort them by popularity or rating to find the ones that are well - liked.