One common theme is the struggle between pride and affection. Draco's family pride often clashes with his growing feelings for Hermione, leading to jealousy when he sees her with others. For example, in many fanfics, he gets jealous when Hermione is friendly with Harry or Ron.
The emotional turmoil. Jealousy is a complex emotion. In a 'Draco jealous Hermione' fanfic, we get to see Draco struggle with his feelings. He might be jealous of her closeness to Harry or Ron, or her achievements. This internal conflict makes for an engaging read as we see him try to come to terms with his emotions, like in the fanfic 'Jealousy's Grip' where Draco's jealousy over Hermione's friendship with Harry drives the whole plot.
One common theme is redemption. Draco often has to atone for his past actions and Hermione helps him in that journey within the context of their marriage. Another theme is the breaking of social barriers, as their union goes against the traditional pure - blood/muggle - born divide in the wizarding world. Also, love conquering differences is a big theme, showing that despite their initial differences in beliefs and backgrounds, they can have a loving marriage.
Overcoming differences is also very common. Since they come from different backgrounds in the wizarding world, they have to work through their differences in values, upbringing, and social circles. For example, Hermione's Muggle - born status and Draco's pure - blood elitism. In many fanfics, they learn to accept and love each other despite these differences. It's a journey of self - discovery for both of them.
Since I don't promote lemon fanfics, I can't really say the common themes in such inappropriate works. But in general Hermione - Draco fanfics (non - lemon), common themes include redemption, where Draco tries to atone for his past actions and Hermione is a part of that journey. Another theme is the breaking of social barriers as they come from different backgrounds in the wizarding world.
One common theme is redemption. Draco often has to atone for his past actions and prove himself worthy of Hermione's love. For example, in many fanfics, he might try to make up for his family's wrongdoings during the war.
Another theme is self - discovery. Through their relationship, both Hermione and Draco often learn more about themselves. Hermione might discover a more rebellious side of herself, while Draco could find a more empathetic part of his personality. In some fanfics, this self - discovery is intertwined with their growing relationship and the challenges they face together.
One popular 'Draco jealous of Hermione' fanfic is 'The Green Girl' on FanFiction.net. It delves into the complex relationship between them, showing Draco's jealousy in a very believable way within the Hogwarts setting.
A common theme is the struggle for Harry's attention. Ginny wants Harry to notice her in a romantic way, but she feels overshadowed by Hermione. Another theme is friendship strain. The jealousy can put a strain on the friendship between Ginny, Hermione, and Harry.
One common plot device is Draco flirting with other girls in front of Hermione. For example, he might shower another girl with compliments about her magical abilities which Hermione takes as a personal slight since she prides herself on her own skills. This immediately makes her jealous and sparks a series of events where she tries to show Draco that she doesn't care, but actually does.
A common plot is Ron seeing Draco and Hermione getting along academically. Maybe they are both top of the class in a particular subject and Ron feels left out. Another plot could be them working together on a school project, like in Potions or Defense Against the Dark Arts. Ron then starts to overthink and get jealous.