Often, the plot could involve Hermione's 'bad girl' persona getting involved in some sort of secret or dangerous activity that Draco gets dragged into. Maybe she's part of an underground magical movement that Draco initially opposes but then comes to understand better as he gets to know her. This can lead to a transformation in their relationship from enmity to something more complex and interesting.
She could be rebellious. Maybe she doesn't follow the school rules as strictly as in the original books and is more likely to take risks.
Perhaps it's a time - travel fanfiction. Hermione, using her time - turner for some reason, goes back in time and meets a different Draco. This Draco might be less influenced by his family's pure - blood mania. They start to have feelings for each other, and the kiss is a symbol of their new - found love that defies the normal course of the Harry Potter story. It could also involve Hermione trying to change the future by influencing Draco in the past.
One plot idea could be that their child has to navigate the complex social divide between the former Gryffindor and Slytherin groups at Hogwarts. Another could be the discovery of unique magical abilities that are a blend of Hermione's studious and powerful magic and Draco's pure - blood heritage magic. Maybe the child is caught in the middle of a new threat to the wizarding world and has to use both sides of their family's knowledge and influence to save the day.
Well, one possible plot point could be the power dynamic exploration. It might show how Hermione copes with being in a subservient role to Draco and how she tries to subvert it. Maybe she uses her intelligence to outwit Draco in certain situations while still being in the 'slave' position.
There's also 'Headship Bonds'. This fanfiction takes an interesting approach where Hermione and Draco have to work together to solve a mystery that's plaguing Hogwarts. As they are the Head Girl and Head Boy, they have certain responsibilities. The story is full of twists and turns, and their relationship develops in a very believable way throughout the story.
One interesting plot twist could be when Hermione discovers her true heritage and has to face the fact that she's related to the Malfoys. It completely changes her relationship with Draco. Instead of being enemies, they have to figure out how to be siblings in a world where their families have such different values.
In some of these fanfictions, an interesting plot development could be Draco using his new - found 'master' status to protect Hermione from other Slytherins who might target her. For example, he could subtly warn them off without Hermione fully realizing it at first.
One idea could be that they have a secret wedding. Hermione and Draco realize their love for each other in a post - war world where they are both trying to heal. They keep their relationship a secret at first because they know it will be controversial. They finally decide to get married in a small, private ceremony in a secluded forest. Only a few close friends, who have come to accept their relationship, are present.
Yes, there are some fanfictions with the 'Draco owns Hermione' concept. It often explores different relationships and storylines within the Harry Potter fanfiction universe. However, these can vary greatly in quality and content.
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.