A really interesting plot could be that Draco's transformation into a girl is part of a bigger magical mystery. She starts to notice strange things happening around Hogwarts that seem related to her change. As she tries to figure out what's going on, she teams up with unlikely allies from different houses. Along the way, she also has to deal with the prejudice and confusion from some of the wizarding community who don't understand or accept her new identity.
Well, a plot could involve Draco as a girl being in a love triangle. Maybe she has feelings for Harry, but at the same time, there's a Slytherin boy who has been in love with her for years. This could lead to a lot of drama and conflict within the Slytherin house and also between houses. Also, her family might react differently to her as a girl, perhaps her father has different plans for her than he would for a son, and she has to deal with that.
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.
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 idea could be a post - war story where Astoria helps Draco heal from the traumas of the war. They could start by bonding over their shared Slytherin heritage and gradually fall in love as they work through their inner demons.
A possible plot is that Shirou as a girl gets caught up in a romantic sub - plot that was not possible before. For example, she might be the object of affection for a character who previously only saw her as a friend when she was male. Also, she could struggle with her identity, trying to hold on to the values she had as Shirou while adapting to her new physical form. This internal conflict could drive the story forward.
One idea could be Izaya, as a girl, using her charm to manipulate situations in a different way than before. She might be underestimated at first because of her new female form, but then shock everyone with her still - sharp intellect.
One plot idea could be Sirius, as a girl, having to navigate the wizarding world's gender - based expectations. For example, she might face different treatment in Hogwarts classes or from other students. Another could be her relationship with her friends, like how James and Remus react to this change. Maybe they initially struggle to adjust but then come to accept her fully. Also, her interactions with the female characters could be explored, such as forming new friendships or rivalries with girls in her year.
One plot idea could be that Ben turns into a girl and has to deal with the different social expectations. For example, his friends might treat him/her differently at first. Another could be that the Omnitrix malfunctions further and only allows female forms, so Ben has to learn to master these new forms in battle. Maybe there could also be a story where Ben as a girl gets caught up in a situation where only a girl can save the day, like infiltrating an all - female villain group.