One idea could be that Female Draco, being a Slytherin, is initially at odds with Harry but then they are forced to work together on a secret project to save Hogwarts from a new dark threat. This would involve them gradually getting to know each other better and realizing they have more in common than they thought.
In some fanfiction, Female Draco could be a seer. She has a vision of Harry's death and decides to protect him at all costs. This leads to a series of adventures where they have to hide from both Death Eaters and some of the more traditional Hogwarts faculty who don't believe in her powers. Along the way, they develop a deep bond and fall in love.
Maybe Female Draco is an outcast in Slytherin because she doesn't fully support the pure - blood supremacist ideas. She starts to secretly help Harry and his friends, and a romantic relationship slowly blossoms between them as they face various challenges together. For example, they might have to deal with a powerful dark wizard who is trying to control the wizarding world, and their combined skills and different perspectives prove crucial in defeating the enemy.
Another plot could involve Harriet getting into trouble and Draco, surprisingly, coming to her rescue. This could be in a situation where she's wrongly accused of something by other Slytherins. Draco defends her because he has secretly started to admire her courage, which is different from the Slytherin values he was brought up with.
One idea could be that Harry is sorted into Slytherin instead of Gryffindor. He then has to deal with the prejudices within his own house as well as from other houses. Draco could initially be hostile but then they gradually become friends as they discover they have more in common than they thought, like their ambition and a desire to prove themselves. They could team up to solve a mystery within the Slytherin common room that is linked to the dark history of the house.
One idea could be a story where Scorpius discovers a long - hidden family secret that Draco has been trying to protect him from. It could involve some dark magic from their family's past.
One idea could be a time - travel plot where Harry Potter accidentally travels back in time and meets Abraxas Malfoy. He could try to change certain events related to the Malfoy family's future actions in the wizarding world. Another plot could involve Abraxas Malfoy leaving behind a mysterious magical artifact that Harry discovers. Harry then has to figure out what it does and if it has any connection to the dark past of the Malfoy family.
A possible plot for Draco Malfoy childhood fanfiction is his secret love for something that goes against the Malfoy image, like a Muggle - like hobby. This could create internal conflict within him. Another idea is his experience during the first time he used a broomstick. It could be a story of his excitement and determination to be good at it, but also his fear of failure. And a third one could be about how he coped with the news of having to go to Hogwarts, whether he was eager or reluctant.
One plot idea could be that Draco Malfoy accidentally stumbles into the Muggle world and meets a Muggle who is a huge fan of the wizarding world through books. The Muggle helps Draco see the beauty in the Muggle way of life, and Draco in turn shows the Muggle some magic in a very secretive way. They form an unlikely friendship that challenges Draco's pure - blood beliefs.
A great plot could involve Draco being forced to team up with a group of Ravenclaws for a special project at Hogwarts. At first, he's reluctant, but as he gets to know them, he begins to appreciate their different way of thinking. Maybe they're all trying to solve a mystery that has been plaguing the school, and Draco's Slytherin cunning combined with the Ravenclaws' intelligence makes for an exciting adventure.
One plot idea could be that Harry's sister is sorted into Slytherin, which causes a rift with Harry at first. She then befriends Draco Malfoy because they are in the same house. They start off as study partners, slowly realizing they have more in common than they thought, like their love for potions. Their friendship grows despite the enmity between Harry and Draco.
One idea could be that Draco Malfoy, for some reason, has to work in a Muggle pizzeria as part of a new Ministry of Magic initiative to promote understanding between wizards and Muggles. Harry Potter could be a regular customer, and there could be all sorts of awkward and comical interactions as Draco tries to keep his wizard identity a secret while serving pizza.
Perhaps in the fanfiction, Draco Malfoy turns out to be a double agent. He pretends to be on the side of the Death Eaters like his family, but in reality, he is secretly helping Harry Potter and the Order of the Phoenix. Snape discovers this and has to decide whether to expose Draco or use his secret to their advantage. This would create a lot of tension and unexpected alliances.