One possible plot could be that Naruto's appearance change to having red hair is a result of some new form or power he has acquired in the future. Maybe it's related to a new type of chakra or a special training he underwent. This new look might make his enemies underestimate or overestimate him, leading to interesting battles and strategic situations.
His relationship with Hinata might be different. She could be initially taken aback by his new look but then come to love him all the same. His friends like Shikamaru and Kiba might tease him more about his red hair, creating a new dynamic in their friendships. And his relationship with his son, Boruto, could also change as Boruto might have a different perception of his father with this new appearance.
Karui is often a main redhead character. She's from the Cloud Village and has a tough and feisty personality. In the fanfiction, she might be one of the characters attracted to Naruto and her interactions with him can be really interesting, especially considering her different upbringing compared to Naruto.
The older characters such as Kakashi would be cautious. They would recognize Naruto but also be worried about the implications of someone from the future being in the present. They would want to know if his presence could change the future in a negative way. For example, they might fear that his actions could lead to the earlier awakening of a powerful enemy. As for the villains, they might see future Naruto as a threat and try to eliminate him as soon as possible. Orochimaru, for instance, would be very interested in Naruto's future powers and might try to capture him to study. And the new generation of ninja in the past would look up to future Naruto, seeing him as a symbol of what they could become.
Well, 'naruto future orb fanfic' could be a creative take on the Naruto world. Maybe the orb has some sort of time - traveling capabilities and it takes the characters on a journey through different eras of the Naruto future. It could also be related to a prophecy where the orb is the key element.
In this fanfic idea, when Minato summons Future Naruto, it could also be for emotional reasons. Minato missed out on seeing Naruto grow up. By summoning Future Naruto, he gets to see the strong and capable man his son has become. Future Naruto can then tell Minato about his life, his friends, and all the adventures he's had, filling Minato with pride.
Naruto might encounter future versions of the kages from different villages. These kages could have different leadership styles influenced by the development of the future world. He may also run into new characters who have emerged as heroes or villains in this new era.
Naruto might react with a sense of responsibility. If he saw a future where Konoha was in danger, he would feel it was his duty to do something about it. He could start by gathering information from the future vision, like the weaknesses of the enemy. Then, he would share this knowledge with his comrades and come up with a plan to protect the village.
I'm not sure specifically about 'Naruto x Redhead Lemon' fanfictions. But if you're interested in Naruto fanfictions with red - haired characters, there are many that explore different relationships and storylines. For example, some might focus on the relationship between Naruto and Karin, who has red hair. You can start by looking at top - rated Naruto fanfictions and then narrow down your search to those that feature red - haired characters in an interesting way.
Yes, there are quite a few. You can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'Naruto x Redhead Harem' in their search bars and you'll find a variety of stories with different plotlines and writing styles.