He could meet his past allies in a different context. For instance, he might encounter Kakyoin or Polnareff when they were just starting their journey. Maybe he could also run into Dio at a time when Dio was still plotting his rise to power, which would create a very tense situation.
Some popular ones could be 'Sword of the Rohan' which is known for its epic battles and complex characters. Another might be 'Rohan's Quest', a story full of mystery and adventure.
There could be multiple factors. His role models, whether they were his teachers, older siblings, or people he read about in books, might have inspired him. Also, the realization that hard work brings rewards, like good grades, praise from others, and a sense of accomplishment, would have made him keep up his hardworking attitude.
Well, it's hard to say for sure. They could be related through a shared universe or a crossover event. Or perhaps they have no direct connection at all and just exist in separate manga contexts.
Popular 'rohan x josuke fanfic' often focus on their unique dynamic. They might play up Rohan's eccentricity and Josuke's more straightforward nature. Also, a lot of them involve some sort of mystery or adventure that the two characters embark on together.
It could be about a conspiracy within the Rohan setting. Maybe it involves political intrigue among the Rohan characters, like a plot to overthrow the king or some secret alliance that goes against the common good in the Rohan realm.
Rohan was a boy who always put in great effort in everything he did. He woke up early every morning to study before school. He was dedicated to his schoolwork, always completing his assignments on time and with high quality. He also helped his parents around the house, doing chores without being asked. His hard work paid off as he got excellent grades and was respected by his teachers and peers.