One common theme is friendship. Since Harry and Susan are from different houses in Hogwarts, their friendship defying house boundaries is often explored. For example, in many fics, they show how they can support each other despite Gryffindor and Hufflepuff having different reputations.
Growth and self - discovery is also a common theme. As they interact, both characters often learn more about themselves. In some fics, through their relationship, they find new interests or talents. For example, they might discover a new type of magic together that helps them both grow as witches and as individuals.
One common theme could be friendship. How Harry and Susan form a bond during the Triwizard Tournament. Another might be mystery, as the Triwizard Tournament has many secrets and challenges.
Conflict and resolution can be a significant theme. There could be conflicts between the characters, perhaps due to differences in their personalities, goals, or beliefs. And then the fanfic would revolve around how they resolve these conflicts. It could be an internal conflict within one of the characters as well, like Harry struggling with his own insecurities, and Susan and Lemon helping him to overcome them.
The theme of self - discovery also appears frequently. Each character, Harry, Susan, and Daphne, might learn more about themselves, their strengths, and their weaknesses through their interactions with each other. For instance, Daphne might discover her courage when standing up with Harry and Susan against a powerful enemy, which she didn't know she had before.
One common theme is friendship. The hug often represents a deepening of their bond as friends. It shows that they are there for each other through tough times.
Another theme could be friendship. Before the romantic aspect kicks in, they might start as friends. Writers may focus on how they support each other, share secrets, and build a strong bond of friendship that later turns into something more. For example, they could be study partners at Hogwarts and through that, get to know each other better.
One common theme is the exploration of power. Both Harry, even as a female version, has her own set of magical powers, and Aizen is extremely powerful in his own universe. Fanfics often explore how they interact with each other in terms of power dynamics.
One common theme is the exploration of a different relationship dynamic. Since Harry is female, the power balance and the nature of the connection with Malfoy can be quite different from the original series. Another theme is the breaking of house barriers. They belong to Gryffindor and Slytherin respectively, and these fics often show how they overcome that divide.
One common theme is identity. Fem Harry has to figure out who she is in this new shipgirl context, different from her original identity in the Harry Potter world.
The theme of transformation is quite common. Not just in terms of his sexual identity but also in how he sees the world around him. Also, the theme of friendship is key. His friends can either support or reject him, and this can shape his journey. And then there's the theme of breaking norms. By being a gay fem Harry, he is breaking the traditional norms of the wizarding world, which is an interesting aspect that many fanfics explore.
One common theme is redemption. Often, Dudley is portrayed as having a chance to redeem himself through his relationship with fem Harry. Another theme is acceptance, as Dudley has to accept Harry's femininity and her magical world. And of course, friendship can be a theme as they develop a new bond.