It could be a dark wizard who wants to prevent Ginny from meeting James and Lily. Maybe this wizard has some grudge against the Potter family and knows that if Ginny meets them and learns something important, it will foil his evil plans.
Maybe it could be a time - travel plot where Ginny somehow gets to meet James and Lily Potter. For example, she could use a magical object or spell that sends her back in time. And then she might have adventures with them, perhaps helping them in some way that also has an impact on the future she came from.
A great fanfiction in this regard is 'When Potters Meet'. Here, James and Lily are brought back to life briefly and they cross paths with Ginny. The story focuses on Ginny's reaction to meeting the parents of the man she loves. It shows her respect and admiration for them, and there are some really sweet moments where they exchange memories and advice about Harry.
It could be a dark wizard who is jealous of the bond between Harry and Lily. This wizard might try to break their connection and use Lily's power for his own evil purposes. Maybe he wants to control Lily's magic, which is known to be strong, to achieve domination over the wizarding world.
It could be a dark wizard who is trying to prevent Lily and James from meeting Harry. This wizard might be a follower of Voldemort who is still bitter about the downfall of their master and wants to disrupt this family reunion to cause chaos in the wizarding world.
It could be a dark wizard who has infiltrated Hogwarts' staff. This wizard might be secretly manipulating events and students for his own dark purposes. He could be using his position to spread dark magic teachings and trying to turn students against each other, all while Lily Luna Potter starts to suspect something is wrong and tries to expose him.
One possible plotline could be a time - travel scenario. Maybe Ginny somehow travels back in time and meets James and Lily. They could form a bond and Ginny could learn a lot about Harry's early life and family history directly from them.
Well, in the 'Lily meets James parents fanfiction', there could be a lot of interesting scenarios. For instance, James' family might have some unique traditions that Lily has to adapt to. There could be some awkward moments at first, like when Lily accidentally spills something during dinner. However, through James' support and her own charm, she gradually wins over his parents. They might end up sharing stories about James as a child, which brings Lily closer to them.
One possible plot could be that through some time - traveling magic, James and Lily are brought to the future where they meet Harry and Ginny. They are amazed to see how much Harry has grown and the family he has created with Ginny. They share stories of the past and the challenges they faced, and James and Lily get to see the world they sacrificed so much for in a new light.
One possibility is that Harry and Ginny could use a time - turning device to go back in time and meet James and Lily. They might share stories about Harry's life, and James and Lily could give their blessings to Harry and Ginny's relationship. Ginny could also learn some of Lily's magical tips.
One scenario could be that they meet in a time - travel situation. Harry and Ginny could be transported back in time to when Lily and James were alive. There, they would get to know each other in a different way. Harry would finally be able to have a proper conversation with his parents. They could discuss the future, the prophecy, and how Harry has changed the wizarding world. Ginny could bond with Lily over their love for Harry and their Gryffindor spirit. It would be a very emotional and magical encounter.