Harry could become an Auror, as he's always been good at fighting dark forces. Ginny, on the other hand, might continue her career in Quidditch. They would support each other's choices. Harry would cheer for Ginny at her matches, and Ginny would be proud of Harry for his work in keeping the wizarding world safe.
In some fanfictions, Harry might decide to take a different path. He could become a teacher at Hogwarts, sharing his experiences with the new generation. Ginny could also get involved in coaching Quidditch at the school. This way, they would both be part of the Hogwarts community and their careers would be intertwined, allowing them to spend more time together.
Some fanfictions might depict them as having a more adventurous post - war life. They could be involved in rebuilding the wizarding world in a more hands - on way. Harry might use his fame and Ginny her popularity among the younger wizards to bring about positive changes. Their relationship would be based on mutual respect and a shared goal of making the wizarding world a better place.
One possible story could be that after the war, Harry suffers from paraplegia due to some dark magic he endured during the final battle. Ginny stays by his side, being his strength. She helps him through the difficult process of physical therapy. Their love becomes even deeper as they face this new challenge together.
In certain 'Harry Ginny after the war fanfic', Harry starts to see the wizarding world in a new light. He's no longer just focused on fighting dark forces. Ginny encourages him to explore the positive aspects of the wizarding world, like the different cultures of magical creatures. Ginny also matures in how she handles relationships. She becomes more understanding of Harry's responsibilities, and they work together as a team to face any new challenges that come their way, whether it's dealing with a new threat to the wizarding world or just the normal challenges of married life.
Often, in fanfiction Harry and Ginny are central to the social group. After the war, they could be involved in group activities like Quidditch matches where they play together or watch as spectators. They would cheer for their friends, and their presence would bring a sense of unity. Their relationship would also be a model for some of their friends. For example, Ron and Hermione might look to them for relationship advice, and they would happily offer their insights based on their own experiences.
Ginny would also support Harry by involving him in her own life. She'd share her dreams, her daily experiences at work or with friends. This would make Harry feel like he was still an important part of her world and not just someone she was taking care of. She might even try to find magical solutions to his condition, perhaps researching ancient spells or potions that could potentially help him regain some mobility.
Often, Harry shares his own feelings and traumas from the war with Ginny. By opening up about his nightmares, his losses, and his fears, he makes Ginny feel that she's not alone in her pain. They might sit by the fireplace in the Gryffindor common room, talking late into the night, and in this sharing, find solace in each other.
One possible reason could be that Harry was away a lot after the war, dealing with the aftermath and his newfound responsibilities. Ginny might have felt neglected. Maybe she expected more time together, but Harry was constantly occupied with things like helping to rebuild Hogwarts or being involved in the Ministry's new initiatives.
One aspect that's often shown in fanfiction is how they help each other heal from the traumas of the war. Ginny, being a strong - willed witch, supports Harry in dealing with his post - war nightmares and insecurities. Harry, in turn, encourages Ginny to pursue her dreams in the new wizarding world. Their relationship is filled with mutual understanding, love, and respect.
They probably start by getting married and setting up a home. Maybe they choose a cozy cottage near the Burrow. It gives them a sense of closeness to family while also having their own private space.
Harry, with his experience in fighting dark magic, might teach the younger generation how to defend themselves. Ginny could assist in training witches, especially in the area of using magic in a more creative and effective way in combat situations. Together, they could also work on improving the security of the wizarding world, making sure that the mistakes of the past are not repeated.