One common theme is the development of relationships. Since it's a harem - type story, the main character, usually Issei, forms different kinds of relationships with the female characters. There's often a lot of romantic tension and the exploration of how these relationships might grow over time.
One common theme is the relationship dynamics within the harem. It often involves the main character dealing with the different personalities and desires of the harem members. Another theme is the power growth of the main character, similar to the original Highschool DxD series. And of course, there's the aspect of romance and attraction among the characters in the harem.
A common theme is the exploration of relationships. Since it's a harem concept, there will likely be multiple characters vying for Venelana's attention. Another theme could be power dynamics, as in the Highschool DxD universe, power often plays a crucial role in relationships and interactions.
Power - building is a common theme. The OC usually starts off with some sort of special ability or knowledge and uses it to gain more power in the Highschool DxD universe. This power - building often attracts the attention of various female characters, leading to the formation of the harem.
Themes like adventure are quite common. Picture a character from DBZ exploring the strange and exciting world of Highschool DxD, or vice versa. There's also the theme of competition. Given that both universes have strong characters, fanfictions often set up scenarios where they compete against each other. Love is also a theme in some cases, where characters from the two different universes fall in love and have to deal with the differences between their worlds.
One common theme is loss. It could be the loss of a loved one, like a friend or a family member in the context of the High School DxD world.
One common theme is power - up. Siegfried is often depicted as getting stronger or unlocking new abilities. This ties in with the overall power - fantasy aspect of the Highschool DxD universe.
A common theme is Kiba's relationships. This can be his romantic relationships, like with a female character from the series. His friendships within the group are also explored a lot. The theme of redemption is also there. Kiba might be trying to atone for something he did in the past. And his role in battles, especially his strategic thinking and combat skills, is another common theme in Highschool DxD Kiba fanfiction.
One common theme is Saji's growth as a character. Writers often explore how he develops his powers and becomes more confident in the world of Highschool DxD.
One common theme is power. In both Prototype and Highschool DxD, power plays a crucial role. Fanfictions often explore how characters from one universe would adapt to the power levels in the other. For example, a character from Prototype might find the power of the devils in Highschool DxD either overwhelming or underwhelming.
A frequent theme is the development of the main character, often Issei. In 'highschool dxd lemon fanfiction', his journey of self - discovery and growth is often accompanied by his romantic and sexual encounters. His relationships with the female characters not only shape his character but also contribute to the overall plot. The 'lemon' parts usually serve to intensify these relationships and show a more private side of the characters' interactions. Another common theme is the power struggle within the different factions of the Highschool DxD world, which can also influence the relationships and add drama to the fanfiction.