One idea could be Neo using her semblance in a swimsuit-themed beach battle. Maybe she disguises as an enemy's ally and then surprises them during the fight.
A more adventurous plot could be that Neo discovers a hidden underwater cave while wearing her swimsuit. She decides to explore it, but inside there are some Grimm - like sea creatures. She has to use her skills and wits to get out safely, all while looking fabulous in her swimsuit.
Another plot could involve Neo going on a beach vacation with the RWBY gang. There could be a lot of fun and games, like beach volleyball where Neo's acrobatic skills give her an edge. And of course, her stylish swimsuit would draw everyone's attention. She could also have some light - hearted interactions with the other characters, leading to new friendships or rivalries.
Ruby could potentially be Neo's friend. Ruby is friendly and open - minded. In a swimsuit fanfiction, they could bond over their shared love for adventure. Maybe they go on a treasure hunt on the beach together.
One idea could be a story where Neo and Ruby are forced to team up during a special mission in a mysterious new area. They start off distrusting each other but gradually learn to work together as they face various challenges.
Perhaps there could be a story where an ancient evil threatens both universes. Naruto and Neo RWBY characters have to work together to find a way to stop it. The Akatsuki from Naruto could be involved, and some of their goals could be related to the chaos in the RWBY universe. Ruby and Naruto could form a special bond as leaders of their respective groups, leading the charge against this great threat.
One idea could be Neo using her unique abilities in unexpected ways to help the team in a new adventure. Maybe she discovers a new form of her Semblance that gives her an edge in combat.
Neo could bring a new dynamic to Beacon. She might be initially shunned because of her association with the criminal underworld. But as time goes on, her unique skills in combat and deception could prove useful in battles against Grimm, and she could earn the respect of her peers.
Well, for a Neo - injured fanfic, perhaps she's injured while trying to steal an important relic. RWBY comes across her and instead of finishing her off, they help her. This could be the start of an unlikely alliance. It would be interesting to see how Neo would react to their kindness while being in a weakened state.
She could start to see visions of the real world outside the Matrix that are different from what Neo saw. This leads her on a quest to find out if there's more to the real world than what she's been told. For example, she might suspect there are other hidden human colonies that are not part of the Zion she knows. Along the way, she has to deal with the doubt and suspicion of her fellow rebels who don't believe her visions.
One idea could be that a girl uses the henge technique to transform into different characters while at the beach in a swimsuit. For example, she could transform into Naruto to compete in a beach volleyball game in his style, leading to some comical and action - packed moments.
Well, perhaps the plot involves the reincarnated character trying to change Neo's fate. Since Neo has had a rather tragic story in RWBY, the new character could try to steer her in a different direction. They might also have to face the same enemies Neo did, but with a different perspective due to their reincarnation.
One interesting aspect could be the crossover of different universes. Naruto and RWBY have unique settings, powers, and characters. In the fanfiction, we might see Naruto characters using their jutsus in the RWBY world, or RWBY characters interacting with the shinobi system. It can bring fresh and unexpected storylines.