Well, the plot could revolve around a school play at Hogwarts. Ginny is in charge of the play and she really wants Harry to be part of it. But all the male roles are taken, so she convinces Harry to cross - dress and take on a female role. Harry is hesitant at first, but for Ginny's sake, he agrees. As he gets into the role, he discovers a new side of himself. He might learn more about the importance of self - expression and breaking gender norms in the wizarding world. Along the way, his relationship with Ginny could deepen as they spend more time together during the play rehearsals.
Perhaps in this fanfiction, there is a magical spell gone wrong that causes Harry to cross - dress for Ginny. The spell was meant for something else entirely, but instead, it transforms Harry's appearance. Ginny, being the good - natured person she is, decides to help Harry make the best of it. They could end up going on an adventure together while Harry is still in his cross - dressed state, facing challenges and making memories. It could also be a way for Harry to understand Ginny's world a bit better, as he experiences some of the things that female witches might face in the wizarding world.
One possible plot idea could be that Harry decides to cross - dress as a prank to make Ginny laugh. He might wear a dress and a wig, and then show up at a Gryffindor common room event. Ginny would be initially shocked but then find it hilarious. Another idea is that it could be part of a dare. Harry loses a bet to Ginny and as a result, has to cross - dress for a whole day at Hogwarts. This could lead to all sorts of comical situations as he tries to go about his daily activities like attending classes and Quidditch practice while in female attire.
One plot idea could be that Harry has to cross - dress in heels as part of a magical disguise for a secret mission. Maybe he has to infiltrate a wizarding fashion event where only women are allowed, and his cross - dressing in heels helps him blend in and gather important information about a dark wizard's plan. Another idea is that it's a prank gone wrong. Ron accidentally casts a spell on Harry that makes him cross - dress in heels, and Harry has to deal with the embarrassment and hilarity that ensues around Hogwarts.
One plot idea could be them preparing for the baby in a magically enhanced nursery. They could use spells to create moving murals on the walls, like scenes from Hogwarts. Another could be Ginny having some premonitions about the baby's future magical abilities through her family's seer heritage.
One idea could be that Harry and Ginny discover a hidden room in the Burrow. Inside, they find old Weasley family heirlooms and spells. As they explore together, they learn more about the family's history and in the process, their bond grows stronger.
One possible plot could be that Harry and Ginny go to a secluded wizarding cottage by the sea. They spend their days exploring the nearby magical creatures and hidden coves. At night, they sit by the fireplace and share stories from their Hogwarts days, strengthening their bond even more.
One idea could be that Harry and Ginny travel back in time to the Marauders' era. They could interact with James, Sirius, Remus and Peter, and perhaps change some small events that later have a big impact on the fight against Voldemort. For example, they could give the Marauders some tips on how to better hide from Snape, which in turn could make Snape less bitter in the future.
In a more complex plot, Ginny might be under the influence of a spell that makes her disoriented. She stumbles and falls down the stairs. After the fall, she starts having strange visions. Harry, with the help of Hermione and Ron, tries to figure out what spell was cast on her. They explore the library and old magic texts, eventually finding a way to break the spell and save Ginny from potential long - term harm.
A possible plot is that Ginny discovers she has some special magical ability related to the pregnancy. Maybe she can communicate with the unborn baby through magic, and they have to figure out what it means. Also, Harry could be super protective, and there could be some comical moments where he overreacts to small things, like Ginny reaching for a high shelf.
One plot idea could be that they plan a magical wedding that combines both their families' traditions. Another could be that they face some sort of dark magic threat right after getting engaged which tests their relationship. Maybe they discover a long - lost magical artifact during their engagement that has a connection to their future together.
A plot could revolve around Hermione and Ginny being time - travelers. They go back in time to the founding of Hogwarts and have to figure out how to get back to their own time while also making sure not to disrupt the past too much. This would involve a lot of magical problem - solving and exploration of the wizarding world's history.
Another plot could be that they travel back to the time when the Chamber of Secrets was first opened. Ginny, having been possessed by Tom Riddle in her own time, could use her knowledge to stop the young Voldemort from causing so much harm. Harry could also help by using his skills and knowledge of magic from his own time to combat the basilisk and keep students safe.