A common plotline is how their friendship or rather new - found brotherhood affects the Hogwarts houses. Since Draco is a Slytherin and Harry a Gryffindor, their bond could start to break down the long - standing rivalries between the houses. They might work together to create a more united Hogwarts. Additionally, their relationship could change how they view the wizarding war. Instead of being on opposing sides as they initially were in the original story, as siblings they might try to find a more peaceful solution to the conflict.
One interesting plotline could be them growing up together and having to hide their relationship from the wizarding world because of the implications it would have on the existing power dynamics. Another could be them using their combined skills, Hermione's intelligence, Harry's courage, and Draco's knowledge of the pure - blood society, to fight a new dark force in the wizarding world.
In some fanfictions, the plotline could be that Draco and Harry adopt a child who is in danger from a dark wizard. They then have to go on the run, protecting the child and each other. It's a story of adventure and family. Also, there could be a story where they adopt a child who has a connection to an ancient magic, and they must figure out how to help the child control it while also dealing with their own relationship. Or perhaps they adopt a child who is a werewolf cub, and they face the stigma within the wizarding community while trying to raise the child with love.
One common plotline is the internal struggle Draco faces. He has been brought up in a family with certain beliefs that are against Harry, but his crush makes him question everything. For example, in some fanfictions, he might secretly protect Harry during a dangerous event at Hogwarts. Another plotline could be the slow - burn relationship. They start off as rivals but gradually Draco's feelings change and he tries to get closer to Harry in small, furtive ways like leaving anonymous helpful notes for him.
One interesting plotline could be them working together to solve a mystery within Hogwarts that the regular faculty can't handle. They combine their unique skills - Harry's courage and leadership, Hermione's intelligence and Draco's knowledge of the Slytherin side of things. For example, they might be on a quest to find a hidden magical artifact that has been causing strange occurrences in the school. This forces them to put aside their differences and really function as a pack.
One common plotline could be Draco's struggle to fit into his new family. He might have a hard time adjusting to their values and ways of life, which could lead to internal conflicts. For example, if his adopted family is very Muggle - loving and he has been raised with pure - blood supremacist ideas. Another plotline could be Draco's discovery of a new magic or magical ability because of his new family's influence. Maybe they have a unique magical heritage that he starts to tap into.
One interesting plotline could be how they deal with their different house loyalties. Ginny is a Gryffindor and Draco is a Slytherin. Their relationship might be a secret at first, and they have to hide it from their friends and families who have strong prejudices against the other house. For example, Ginny might struggle with telling Harry and Ron about her new relationship, as they have had many conflicts with Draco in the past.
In some fanfictions, it might be a situation where they are forced to work together in a bathroom renovation project at Hogwarts. They enter the shower area to check on the new magical plumbing. There, they discover a hidden magical artifact. This discovery makes them realize they need to rely on each other's skills, Hermione's book knowledge and Draco's knowledge of dark artifacts. As they search for more information about the artifact in the shower area, their relationship begins to change.
One common plotline is a magical duel over a school competition. Maybe it's for the House Cup, and their fight gets intense as they both use their unique spells. For example, Harry might use his Patronus charm while Draco counters with some dark - arts - inspired hexes.
A great plotline might involve a magical competition where Draco, Blaise, and Harry are all forced to compete. As they face various challenges, they start to understand each other better. For example, they realize that they all have the same fears about the future of the wizarding world. It could also be a plotline where they are all transported to an alternate dimension and have to rely on each other to get back home.
A great plotline is when they bond over their difficult family situations. Harry has his issues with the Dursleys and Draco has the pressure from his pure - blood supremacist family. They could find common ground in their struggles against the expectations placed on them. This might lead them to support each other in ways that surprise their classmates and teachers alike, like Draco standing up for Harry against Snape's unfair treatment, or Harry helping Draco break free from his family's dark influence.