There could be Sasuke. Since Sasuke is Naruto's rival and often involved in the same major story arcs, he might play an important role in this fanfiction. His sharingan abilities could interact with Naruto's newfound speed in some interesting ways, either as an ally or an obstacle depending on the plot.
Well, in some fanfictions, Naruto might be faster than Minato because he has access to more powerful forms or has trained in unique ways. For example, if Naruto has mastered a new Sage Mode or a super - enhanced version of his Nine - Tails Chakra Mode, it could give him an edge in speed over Minato.
Maybe Naruto has developed new jutsu or techniques that specifically focus on increasing his speed. He's always been innovative in combat. He could have created a special chakra flow method that allows him to move at a much faster rate compared to Minato. It's also possible that he has tapped into some hidden potential within himself that was previously unexplored.
It could be through Naruto's unique chakra. Since he has the Nine - Tails' chakra, it might be possible that he can manipulate it in a way to achieve greater speed. For instance, he could use the Nine - Tails' chakra to create a sort of propulsion system that makes him move faster than Minato.
Once upon a time, in a dark forest. A girl was walking alone. She heard a strange noise behind her, getting louder and louder. She started to run. But the noise was getting faster and faster. She saw a shadow approaching quickly. Then she tripped. Suddenly, she woke up. It was just a nightmare.
One author that comes to mind is someone who goes by the pen name 'ShisuiLover123'. They have written several shisui fanfictions that are really popular. Their stories often have great character development, not just for Shisui but for the other characters in the story as well. Another good author is 'UchihaFanatic'. They tend to write shisui fanfictions that are set in unique and interesting alternate universes, which gives a fresh take on the character. But again, it really depends on what you're looking for in a fanfiction.
I don't know who the author of Minato Novel is. There are so many novels out there and without more information, it's impossible to determine the author.
It could be that the main character is the OC who has the 'faster' ability, and then there are supporting characters like a mentor figure. This mentor could be someone who helps the OC understand and control their speed - related power. There might also be a love interest for the OC, who adds an emotional aspect to the story. Maybe this love interest is someone normal and the OC has to hide their special ability from them at first.