Another option is Wattpad. There are many Dragon Ball Super fans on Wattpad who write 'db super oc ssj rose fanfiction'. You might have to do a bit more digging through the search results, but it's possible to find some unique and engaging stories there.
One great 'db super oc ssj rose fanfiction' could be 'The Rise of the OC in SSJ Rose Form'. It's about an original character who discovers the power of SSJ Rose and has to navigate the complex world of Dragon Ball Super. The story has really interesting battles and character development.
Goku being born with SSJ4 in fanfic would likely make him a force to be reckoned with from infancy. This could result in quicker power-ups, different battles, and maybe even a shift in the balance of power among the characters.
Vegeta is also very likely to be a hero in the new story. He has grown a lot throughout the Dragon Ball series and in DB Legends, he might play a crucial role in fighting new threats. His Saiyan pride and his determination to surpass Goku could drive the story forward in interesting ways.
One possible plot could be Goku from the SSJ4 form crossing over into the world of Dragon Ball GT. He could encounter new threats that require his ultimate form to defeat. Maybe he teams up with the other Z - fighters in that universe to face off against a powerful and ancient evil that was sealed away long ago and has now been unleashed.
In Dragon Ball fanfic, Goku SSJ often has super strength, like being able to lift extremely heavy objects with ease. He can also move at incredible speeds, making it hard for enemies to even see him coming. His energy blasts are much more powerful than in his normal form, capable of destroying large structures or powerful foes in one shot.
The plot might involve Goku SSJ4 teaming up with some unexpected allies in the Tournament of Power. He could be using his SSJ4 powers in creative ways, like combining them with the techniques of his new allies to gain an edge over the other universes' competitors.
In some fanfics, Goku SSJ's character development might focus on his relationship with his family. He could become more protective and understanding of his family's needs. For example, he might take more time to train Gohan and teach him important life lessons along with martial arts skills.
Vegeta would be a great character to include. His rivalry with Goku could add some interesting dynamics in the crossover. Also, Piccolo, with his strategic mind and powerful attacks, could be useful in facing the new challenges. And if it's a crossover into another anime universe, someone like Naruto could be included. Naruto's never - give - up attitude and his own set of powerful jutsu could create some amazing team - up moments with Goku.