You can try fanfiction websites like FanFiction.net or Archive of Our Own (AO3). They have a large collection of Pokemon fanfictions, and you should be able to find some related to Curtis by using the search function.
The main characters are Curtis and Rosa. Curtis is likely to be a trainer with his own set of skills, goals, and a unique personality. He might be brave, strategic, or have a special bond with certain types of Pokemon.
One popular Curtis Pokemon fanfiction is 'Curtis's Pokemon Adventure'. It follows Curtis as he travels through the Pokemon world, catching new Pokemon and facing various challenges. Another is 'Curtis and the Legendary Pokemon' which has an exciting plot centered around Curtis's encounter with a legendary Pokemon. There's also 'Curtis in the Pokemon League' which focuses on his journey in the Pokemon League.
Another way is to join Pokemon - related fan groups on social media platforms. People in those groups might be able to recommend some good 'pokemon curtis x rosa fanfiction' they have read. They could also give you some insights about the storylines and writing styles of those fanfictions.
Romance is probably a prominent theme too. Curtis and Rosa might have feelings for each other that they gradually discover. This could involve cute moments like blushing when they compliment each other's Pokemon, or more serious moments where they realize their love for one another in the face of danger or during a particularly important Pokemon event.
One idea could be that Curtis and Rosa team up to explore a new, mysterious region in the Pokemon world. They encounter rare Pokemon and have to figure out how to catch them. Maybe they also discover a secret organization that's up to no good and they have to stop it.
A good Curtis fanfic in Pokemon Black 2 would have engaging dialogue. The conversations between Curtis and other characters should feel natural and help to move the story forward. It should also have accurate descriptions of the Pokemon battles. If Curtis is in a battle, the moves, the Pokemon's behavior, and the overall flow of the fight should be well - written. And of course, a touch of creativity, like introducing a new Pokemon form or a special item that Curtis discovers, can make the fanfic stand out.
Well, in a Pokemon Black 2 Curtis fanfic, you can expect to see Curtis in various new situations. Maybe he'll have some unique Pokemon battles that aren't in the original game. He could form new friendships or rivalries with other characters. It might also explore his backstory more deeply, like where he came from and what his dreams are in the Pokemon world.
One great story could be where the reader is a new Pokemon trainer in the same town as Curtis. They meet when their Pokemon get into a friendly scuffle over a rare berry. Curtis helps the reader calm their Pokemon and from there, a friendship begins that could potentially turn into more. Another story might involve the reader being a Pokemon researcher and Curtis is intrigued by their work, leading to them collaborating and falling in love during their adventures. There are also fanfics where the reader is a Pokemon gym leader and Curtis challenges them, and through their battles and post - battle conversations, a relationship develops.