One common theme is the exploration of their contrasting personalities. Rei is often portrayed as more reserved and introspective, while Jadeite can be seen as more bold and assertive. Their relationship can be a study in how these different personalities interact and complement each other.
Another theme could be the idea of redemption. If Jadeite has some not - so - good actions in the original story, fanfics might explore how Rei could be a factor in his redemption arc. It could be about how their relationship helps him become a better character. Also, themes of forbidden love can be present, as they might be from different sides or have different allegiances which makes their relationship a bit of a taboo in the context of the story world.
Often, there are themes related to power dynamics. Rei may have certain powers and Jadeite his own, and how these interact within the context of their relationship can be a theme. Also, themes of redemption might be present, especially if Jadeite has done some not - so - good things in the original story. And of course, the theme of love and attraction between them is quite common in such fanfiction.
Some rei x jadeite fanfics might explore their relationship in a more angsty way, perhaps dealing with the differences in their personalities or their loyalties in the context of the original story they are from. Others could be more light - hearted and focus on their interactions in a more comical or romantic setting. You really have to dig in and read a few to find the ones that suit your taste.
Another theme is mutual support. Saeko and Rei often support each other in different situations. In some fanfics, Rei might help Saeko with her emotional struggles, while Saeko could be there for Rei when she needs physical protection.
One common theme is friendship. Since they are characters from the same series, their friendship is often explored in depth. Writers might show how they grow closer over time.
One common theme is friendship. Their bond might be explored as they face various challenges together.
Another theme could be self - discovery. Through their relationship, both rei and kazuki might learn more about themselves. In these fanfictions, they might have internal struggles that are resolved with the help of their friendship.
A theme that frequently appears is the power of their connection. Their combined powers or just their emotional connection can be a big part of the story. Also, there's the theme of acceptance. They accept each other's flaws and grow together. In some fanfictions, they face challenges that test their relationship, but in the end, acceptance prevails.
Survival scenarios are also quite common if these characters are from a post - apocalyptic or action - oriented anime. They might have to rely on each other in dangerous situations, which can bring out different aspects of their relationships. For example, Takashi might have to protect Rei and Saeko from threats, and this can strengthen or test their bond.
One common theme is survival. Given the setting of Highschool of the Dead, they often face challenges together and rely on each other for survival.
One common theme is the clash of cultures. Naruto comes from a world of ninjas and Rei might be from a different, perhaps more modern or post - apocalyptic setting. Another theme could be the power dynamic, as Naruto has his own set of powers and Rei may have hers. Their relationship development is also a common theme.