Some libraries also have a collection of manga. You could check your local library to see if they have Minato Namikaze manga. Additionally, there are dedicated manga apps available for download that might have it.
The plot could be that Minato is brought back to life by some dark jutsu gone wrong. Sakura, being a skilled medical ninja, tries to find a way to reverse the effects while they are both on the run from those who want to use Minato's power. Along the way, they form an unlikely bond and learn from each other.
One great fanfiction could be where Sakura discovers some of Minato's old jutsu notes and tries to learn from them. This could lead to her developing new skills and also a connection to Minato's legacy in the ninja world.
The Naruto series itself has a huge fan base. Fans are so attached to the characters that they want to create their own stories. Minato and Naruto are two very important characters in the series, so it's natural that there are a lot of fan fictions about them. These stories can range from heart - warming family reunions to epic battles against new enemies.
One interesting fan fiction could be about Minato being able to come back for a short time and train Naruto in a special jutsu that only he knew. It would be a great way to show their connection as father and son.
The interaction between Minato and the main characters of Highschool DxD is really interesting. For instance, if he has a conversation with Rias, they could exchange ideas about leadership. Minato, being a Hokage, has a lot of leadership experience. Also, his training methods might be introduced to the DxD characters, which could potentially change the way they fight. And his relationship with Issei, whether as a mentor or a rival, could also be a great plot point.
One popular 'Minato Namikaze Highschool DxD fanfiction' might be those that focus on how Minato's skills from the Naruto universe could be incorporated into the Highschool DxD world. For example, his teleportation jutsu could add an interesting dynamic to the battles in the DxD universe. Another aspect could be the character interactions. If Minato were a student in the DxD school, how would he interact with the devils, angels, and fallen angels? There could be fanfictions exploring his relationships with the main characters like Issei, where Minato could perhaps mentor Issei in combat or strategy.
Yes, in some fanfictions, Naruto is depicted as the heir of the Namikaze clan. This often gives a new twist to the story, as it ties him more closely to his father's heritage and can lead to new plot developments, like exploring more about the clan's secrets and abilities.
One implication could be enhanced combat abilities. If Naruto has the Namikaze Doujutsu, he might be able to better predict his opponents' moves. For example, he could see the flow of chakra in a more detailed way and counter attacks more effectively.