Maybe in the fanfiction, Draco is a merman from the start. Hermione, a brilliant witch, is researching mermaids for a project. She meets Draco and they initially clash due to their different backgrounds. However, as they get to know each other better, they find common ground and fall in love. Their relationship causes a stir both in the wizarding world and the underwater mermaid society.
One plot idea could be that Hermione, while exploring a hidden cove, is turned into a mermaid by a magical spell gone wrong. Draco, who is also there for some mysterious reason, at first teases her but then realizes they need to work together to reverse the spell. They embark on a journey through the underwater world, facing various sea creatures and challenges along the way.
One idea could be that their child discovers a hidden magic that neither of their parents were aware of. This magic could be a key to solving an ancient mystery in the wizarding world. Another plot could be the child having to navigate the social difficulties of being the offspring of two former rivals, facing prejudice from some pure - blood families who still hold grudges against Hermione for being a Muggle - born.
One plot idea could be that Draco and Hermione are rival CEOs in the wizarding business world. They start off hating each other due to their different management styles and company loyalties. But then, they are forced to work together on a project to save the wizarding economy. As they spend time together, they begin to understand and respect each other, and eventually fall in love. Another idea is that they are co - CEOs of a newly formed, progressive wizarding company that aims to bridge the gap between pure - blood and Muggle - born wizards in the business realm. Along the way, they face opposition from traditionalist wizards but they fight it together and their relationship deepens.
One idea could be that Draco and Hermione's baby has unique magical abilities that draw the attention of both the wizarding world's good and bad elements. The baby might be able to communicate with magical creatures in an extraordinary way, leading to adventures where they have to protect the baby from those who want to use its power for evil.
A possible plot is that Draco, who is in Slytherin, discovers a hidden secret about Hermione's family that has ties to Slytherin. This makes him see her in a new light and they start to form an unlikely alliance. They could then face challenges from their respective houses. Another plot idea is that in an alternate universe, Hermione is sorted into Slytherin and she and Draco become friends and then something more, as they strive to change the negative perception of Slytherin from within.
In a fanfiction plot, there could be a situation where Hermione and Draco are both cursed. The only way to break the curse is to work together and learn to trust each other completely. They have to rely on each other's unique magical abilities. Along the way, they share their deepest secrets and fears, which brings them closer together. By the time they break the curse, their relationship has transformed from one of enmity to something more like friendship, with the potential for more.
In some fanfictions, there could be a time - travel plot where Draco and Hermione from different timelines end up together and Hermione gets pregnant. This would involve dealing with the consequences of changing the timeline as well as their relationship dynamics.
In a post - war wizarding world, there is a new potion that has some unexpected side effects. Draco and Hermione accidentally consume it. As a result, Hermione becomes pregnant. They are both shocked and confused. But as they navigate through this strange situation, they find that they have more in common than they thought. They start to bond over their shared experiences in the war and their hopes for the future of their child.
Well, a plot might involve Draco being at the nightclub undercover for some sort of mission and Hermione is there just to have a good time. They cross paths and Draco has to keep his identity hidden from Hermione, but she starts to suspect something. This creates a lot of tension and mystery. Or perhaps there's a magical event at the nightclub that only they can solve together because of their unique skills and knowledge. Also, it could be that the nightclub is a place where they both discover a new side of themselves and start to see each other in a different light.
A plot could involve a shape - shifting creature that takes on the form of Draco and Hermione at different times. This causes chaos in Hogwarts as everyone is confused. Draco and Hermione must find a way to stop the creature and in the process, they discover secrets about each other and the magical world that they never knew before. They also start to see each other in a new light, leading to a possible romantic relationship.
One idea could be that Draco and Hermione start a family in secret at first. Maybe they meet in a post - war setting where they both realize they have more in common than they thought. Their children could inherit a mix of their magical abilities and personalities, leading to unique family dynamics.