The plot could center around Summer's return and how it affects the current state of affairs in the RWBY world. Maybe she comes back with new powers or knowledge that she imparts to the other characters. It might also deal with the emotional impact of her return on her family and friends, especially Ruby who has grown up without her mother for a long time. There could be battles and challenges that Summer has to face as she reintegrates into this world, and she might be a key factor in solving some greater threat that the RWBY characters are facing.
In 'rwby summer returns fanfiction', the plot might be about Summer emerging from wherever she has been. Her return could stir up old secrets and forgotten prophecies. She may reunite with her old team, if they are still around, and together they embark on a journey to right some wrongs from the past. It could also be a story of redemption for Summer if she had some unresolved issues before she disappeared. Her return could also bring a new dynamic to the relationships between different factions in the RWBY universe, whether it's the different huntsman academies or the various groups fighting against the Grimm.
Most likely, Summer herself would be a main character. Ruby would also be very important as Summer is her mother. Then there would probably be other members of Team RWBY like Weiss, Blake, and Yang, as they are likely to be involved in the story due to their connection to Ruby.
You can start by looking on popular fanfiction websites like FanFiction.net and Archive of Our Own (AO3). These platforms have a large collection of RWBY fanfictions, and you can simply search for 'Summer Returns' in the search bar. There are also RWBY - specific forums where fans might share their own 'Summer Returns' fanfictions or recommend ones they've read.
One great 'Summer Returns' RWBY fanfiction is 'Summer's Redemption' on FanFiction.net. It delves into the idea of Summer coming back and how she impacts the relationships within Team RWBY. Another could be 'Summer's Return: A New Hope' which focuses on her return bringing new strategies to fight the Grimm. And there's also 'When Summer Came Back' which shows an emotional reunion with her family.
The plot might involve Adam struggling to adapt to his new life with Summer. He could be initially resistant to her kindness, thinking it's a weakness. However, as time goes by, he starts to understand the true meaning of family through Summer and her friends in the RWBY world. And he gradually becomes a more positive character, leaving behind his vengeful ways.
A great plot could be centered around the Summer Maiden's relationships. For example, she might have a forbidden love with a character from the other side, like a member of Salem's faction. This would create a lot of internal conflict as she has to balance her feelings with her duty as a Maiden. Or perhaps she has a deep friendship with a character who is in danger, and she has to use her powers to save them from a great threat.
Perhaps in a fanfiction, Summer discovers a hidden portal that leads to the Naruto world. There, she meets Naruto and realizes that his experiences with loss and his determination to protect his friends are similar to hers. They form a bond and work together to help a group of ninjas who have been affected by a strange phenomenon that is causing their powers to go out of control. This phenomenon might be related to the Grimm from the RWBY world.
One idea could be a story where Pyrrha and Summer are brought back to life in an alternate reality. They then have to team up to face a new, powerful threat that is endangering their world. Another plot could involve a pre - RWBY story where Pyrrha and Summer meet during a training mission and learn from each other's skills.
Perhaps Si is transported back in time to when Summer was alive. Si then has the chance to interact with Summer directly. They could become friends and go on adventures together. Along the way, Si could learn valuable lessons from Summer and also change some small events that have a big impact on the future of the RWBY world.
Yes, in some RWBY fanfictions, Ruby can be depicted as the Summer Maiden. Fanfiction allows for creative interpretations and alternate storylines, so it's not uncommon to see such a concept explored.
The time travel of Summer Rose in these fanfictions can be a catalyst for major plot changes. It can bring out hidden secrets about the RWBY world. For example, she might go back in time and discover the true origin of a certain relic. This new knowledge can then change how the characters in the present - day RWBY story approach the relic. Also, her time - traveling actions can influence the character arcs of other RWBY characters. If she changes something in the past related to a character's backstory, that character's growth and development in the present can be completely different, leading to a whole new set of interactions and plot developments.