One common theme is the exploration of their unspoken connection. Their relationship in the original work is complex, and fanfiction often dives deeper into it, like how they might support each other through their personal traumas.
Well, 'In the Garden of Eden' is a popular 'kaworu x shinji fanfiction'. It presents their relationship in a very idyllic and pure way. 'Under the Stars' is also worth checking out. It has a lot of heart - warming moments between them. And don't forget about 'The Silent Understanding', which shows how they communicate without words in a really interesting way.
There are fanfictions where Shinji Ikari has different relationships with the other characters. In some, he forms a closer bond with Asuka earlier on and they work together more effectively against the Angels. This changes the whole dynamic of the story as their combined strength and new - found friendship alters the course of events.
One idea could be that Shinji Ikari is transferred to the Highschool DxD school as an exchange student. He might initially struggle with the very different supernatural environment compared to his Evangelion world. His experiences with Angels could give him a unique perspective on the devils and other beings in the Highschool DxD world, leading to some interesting interactions and storylines.
Fanfictions about Kaworu x Shinji in Neon Genesis Evangelion can vary greatly in tone. Some are more angsty, focusing on the difficulties and challenges they face in their relationship. For example, they might have to deal with the opposition from other characters or the overarching threat of the Angels. Others are more light - hearted, showing their day - to - day interactions and how they gradually grow closer.
One idea could be a crossover with a superhero universe. Shinji Ikari could gain superpowers and have to navigate the complex world of superheroes, dealing with their moral codes. Another could be a crossover with a fantasy world like Middle - earth. He might find himself on a quest with hobbits or elves. A third idea is a crossover with a post - apocalyptic world, where Shinji's experiences in his own apocalyptic - like setting of Neon Genesis Evangelion could be put to use in a different kind of desolate landscape.
Sure. You can try looking on Archive of Our Own (AO3). There are numerous shinji x kaworu fanfictions there. Some are focused on their deep emotional connection, exploring how they understand each other in a world full of confusion and self - discovery.
First, understand Shinji's character well. He is a complex and often troubled character. Know his insecurities, his relationships with others like Misato, Asuka, and Rei. Then, come up with a unique plot. It could be a what - if scenario, like what if Shinji was the first to fully understand the true nature of the Angels?