Well, maybe the girl starts to question her own values and beliefs as she gets closer to the villain. Or, it could cause tension with other characters who try to stop her from this dangerous relationship.
Well, Naruto's invisibility in the fanfic might lead to some really interesting character interactions. His friends might be initially suspicious when things seem to be happening without an obvious cause. Naruto could have fun playing pranks on them at first, but then it could turn into a more serious situation when they realize the potential of his power. Also, he could use it to protect the village in a new way. He could secretly guard important areas without the enemy even knowing he's there.
In the Naruto fanfiction with Naruto having Hashirama's chakra, there are several potential plot developments. Firstly, Naruto could use the chakra to revive some of Hashirama's old techniques and use them to fight against a new, powerful enemy. This would involve a lot of training and exploration of Hashirama's memories that might be stored within the chakra. Secondly, the chakra could attract the attention of ancient entities or clans that were once associated with Hashirama. They could either help or hinder Naruto depending on their motives. Thirdly, Naruto might have to deal with the psychological impact of having such a powerful and different type of chakra. This could lead to internal struggles as he tries to balance his own identity with the new power he has acquired.
A potential plot development might be that Voldemort, upon hearing that the Potters are alive, would be enraged and try to attack them again. This would lead to a new series of battles and challenges for Harry and his parents. They would have to work together to fight off Voldemort and his followers. Also, Harry's parents could help him unlock new magical abilities or knowledge that he didn't have access to before because they are more experienced wizards.
The plot could involve these talented individuals struggling to overcome their handicaps and using their unique skills to find a way out. Maybe they form a team to fight against a common enemy despite their limitations.
In this fanfiction, Gine might reveal some long - hidden secrets about the Saiyan race to Goku. These secrets could be related to the true purpose of the Saiyans or some special powers that only a select few knew about. Goku, with his pure heart and strong will, could then use this knowledge to become even stronger and protect not only the Earth but also any remaining Saiyans in the universe. This could also attract the attention of new villains who are interested in these Saiyan secrets, leading to epic battles.
A potential plot development could be that Kushina helps Naruto master his nine - tails chakra much sooner. She has a connection to the nine - tails as its former jinchuriki, so she could teach Naruto how to better coexist with it and use its power more effectively.
One potential plot development could be that Naruto has to face new, more powerful enemies who are drawn to his newfound power. Another could be that he has to learn to control the combined power of all 9 bijuu, which might be a difficult and dangerous process.
There are lots of twists and turns. It involves a complex web of characters and their dark secrets.
One example could be 'Twilight' where Bella's relationship with Edward, the vampire, has elements of this dynamic.
Naruto could develop a darker side to his personality. Since Orochimaru is known for his dark jutsu and unethical practices, Naruto might be influenced. But at the same time, his core values of protecting his friends and the village could be strengthened as he realizes he needs to be strong enough to resist Orochimaru's negative influence. Orochimaru might become more interested in Naruto's potential for good rather than just using him for his own evil plans.