A common theme is friendship. Josuke has strong bonds with his friends in Morioh, and many fanfics explore these relationships further. Another theme is the power of his Stand. Fanfics often delve into how he uses Crazy Diamond to solve problems or face challenges.
There's no way to really tell if it's common specifically for someone named Jojo. However, in general, reading fanfiction is a popular activity among fans of many different franchises. The Jojo series has a large and dedicated fan base, so it's likely that there are fans named Jojo who partake in reading fanfiction, but we can't say for sure how common it is without more data.
One common theme is the clash of different power systems. For example, when Josuke crosses over with a series like Naruto, his Stand abilities contrast with the ninja jutsu. Another theme is friendship. In crossovers, Josuke often forms new friendships with characters from other universes.
The relationship between the female character and Josuke is also crucial. It could be a friendship, a romantic relationship, or a mentorship. In some fanfics, the female character is the one who understands Josuke's hidden pain and helps him overcome it. This relationship drives the plot forward.
One great 'Josuke x Reader' fanfiction is 'A Day with Josuke'. It beautifully captures Josuke's character, his kindness and his unique sense of style. The story unfolds as the reader spends a day in Morioh with Josuke, visiting his favorite spots like Tonio's restaurant. Another good one is 'Josuke's Secret Admirer' which has a really cute plot where the reader is secretly in love with Josuke and the events that lead to the confession are really engaging.
Perhaps this Jojo is interested in exploring different interpretations and stories within the Jojo universe that fans have come up with. Fanfiction often takes the existing characters, settings, etc. from the original Jojo series and creates new and unique storylines. So, this Jojo might be a big fan of the series and wants to see what other fans have imagined.
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.
To write a great Josuke time travel fanfiction, start with a strong hook. Maybe begin with Josuke suddenly finding himself in a different time period without any warning. Then, build up the world of that time. If it's the past, describe the differences in Morioh or wherever he lands. As for Josuke's character development, show how time travel changes him. He might become more cautious or more reckless. Also, include some emotional moments, like when he misses his friends from his own time or when he meets someone from his past who he thought he'd never see again.