A possible plot could be that James is being targeted by a new dark wizard who is seeking revenge on the Potter family. Harry and Ginny must then take extreme measures to protect their son. They might enlist the help of the Order of the Phoenix again. Meanwhile, James starts to show great courage in the face of danger, much like his father did when he was young.
One idea could be exploring how Harry and Ginny prepare for the arrival of their baby. They might be nervous yet excited. Maybe they start redecorating a room in their home at the Burrow. Another plot point could be the reactions of their friends. Hermione would likely be super helpful, giving Ginny advice on pregnancy and child - rearing. Ron, on the other hand, might be a bit clumsy with his congratulations but still be really happy for them.
One plot idea could be that Hermione and Ginny team up to play a prank on Harry, but it backfires in a hilarious way. For example, they try to make his hair turn purple but instead it starts changing colors every few seconds. Another idea is that the three of them go on a secret adventure outside of Hogwarts to find a lost magical artifact. They face various challenges and their friendship is tested. And perhaps a plot where Hermione discovers a new spell that accidentally causes some chaos between Ginny and Harry's relationship, and she has to find a way to fix it.
One idea could be exploring their wedding planning and all the chaos that comes with it. Maybe Molly Weasley is over - involved and wants everything to be perfect, while Ginny just wants a simple ceremony. Another could be their first year of marriage, dealing with things like living together in a new home and adjusting to each other's habits.
In a 'Harry Marries Ginny' fanfiction, a great plot could be about them starting a family. It could detail Ginny's pregnancy, Harry's concerns and excitement, and how they prepare for the arrival of their baby. It could also include the reactions of their friends and family. This would be a heart - warming story that shows their growth as individuals and as a couple.
One idea could be that Harry returns from a long and dangerous mission. Ginny has been worried sick. When they reunite, there's an immediate rush of emotions. They hug tightly and Ginny scolds Harry a bit for making her worry, but it's all out of love. Another could be they reunite at Hogwarts during an anniversary event. They see each other across the Great Hall and slowly make their way towards one another, with memories of their school days flooding back.
Perhaps Teddy gets into trouble at Hogwarts, and Harry and Ginny have to step in to sort things out. It could involve Teddy being wrongly accused of something, and they use their skills and influence to clear his name. Or Teddy discovers a secret room in Hogwarts that only he can access, and he enlists Harry and Ginny to explore it with him.
One idea could be how Harry and Ginny prepare for the baby, like choosing names. Another might be Ginny's experience with the physical changes during pregnancy. Maybe there could be a plot where they face some threats while Ginny is pregnant and Harry has to protect her and their unborn child.
One plot idea could be that Harry and Ginny discover they are Animagus during their time at Hogwarts and use their forms to secretly explore the Forbidden Forest. Their Animagus forms might give them an advantage in finding hidden magical creatures or ancient magic that could help in the fight against Voldemort.
One idea could be exploring how they adjust to the news. Maybe Ginny has to cut back on her Quidditch training, and they deal with the excitement and nervousness of impending parenthood. Another plot could involve them sharing the news with their friends and family, like Ron's hilarious reactions.
There might be a fanfiction where Ginny tells James all the amazing and dangerous things Harry did to save the wizarding world. It could be a story full of flashbacks and heart - warming moments as Ginny shares these tales with her son, and James starts to understand the true heroism of his father.