One great fanfiction could be where the OC has a unique power that Akeno is initially intrigued by. For example, the OC might have the ability to control light in a different way than the devils in the Highschool DxD universe. This could lead to a series of adventures where Akeno and the OC team up to face various challenges. They could start off as just acquaintances but gradually develop a deeper bond as they fight side by side.
One characteristic is the focus on Akeno's character development. Writers often explore her complex personality, from her demure side to her more assertive and powerful self.
The dynamic between Rias and Akeno in Highschool DxD fanfiction is really captivating. Akeno is always by Rias' side, whether it's in school or in devil - related matters. They have a strong bond that is based on trust and mutual understanding. Rias, being the leader, often relies on Akeno's advice, and Akeno looks up to Rias as her role model.
In Highschool DxD fanfiction, Rias and Akeno have a very complex and interesting relationship. They are both important characters in the series. Rias is the powerful devil princess, and Akeno is her loyal follower and friend. In many fanfictions, their bond is explored deeper, showing their mutual respect and how they support each other in different situations, like in battles against other devils or in dealing with the complex social structure of the devil world.
Another theme is adventure. Since Highschool DxD has a lot of action and supernatural elements, fanfictions might have Issei and Akeno going on adventures together, facing powerful enemies and overcoming challenges as a team. They could be fighting against other devils, angels or fallen angels in these stories. And often, these adventures also contribute to the growth of their relationship.
I find Issei to be quite interesting in fanfics related to Akeno. His interactions with Akeno, whether it's as friends or something more, often add a lot of depth and drama to the story.
One great fanfic could be 'Akeno's Adventure in Highschool DxD'. It explores Akeno's character in more depth and her relationships within the Highschool DxD universe. It has interesting plot twists and character developments that make it a really engaging read.
In certain fanfictions, fallen angels may act as antagonists. They could be trying to disrupt the relationship between Akeno and Issei or simply cause chaos in the devil world where they live.
One popular highschool dxd akeno fanfiction is 'Akeno's Ascent'. It focuses on Akeno's growth in power and her relationships within the highschool dxd universe. Another one is 'Akeno's Heart', which delves deeper into her emotions and past traumas.
I'm not sure if there is specifically such a fanfiction. There are a vast number of fanfictions out there for Highschool DxD, and while some might explore different relationship developments for Akeno, it's difficult to say for sure if there's one about her being pregnant. You could try searching on some popular fanfiction websites.