The theme of sacrifice also appears. Sebastian, as a yandere, might be willing to sacrifice anything or anyone who stands in the way of his relationship with the reader. This can lead to some very intense and dramatic plot points in the fanfiction.
In Yandere Sebastian x Reader fanfiction, the setting can also play an important role. If it's set in the world of Black Butler, the Victorian era adds an extra layer of elegance and mystery. The power dynamic between Sebastian, a powerful demon, and the reader, a presumably normal human, is a key aspect. The yandere Sebastian might use his power to manipulate situations to his advantage when it comes to the reader, all in the name of his 'love' for them.
Well, in 'yandere x reader fanfiction', a frequent theme is the power dynamic. The yandere usually has a lot of power over the reader, whether it's physical or emotional. Isolation is also common. The yandere might try to isolate the reader from other people. And of course, the theme of unrequited love can be there too. Sometimes the reader doesn't feel the same way as the yandere, which leads to a lot of conflict.
One common theme is possessiveness. The yandere is often extremely possessive of the male reader, not wanting them to interact with others. Another theme is obsession. The yandere's feelings for the male reader can border on the obsessive, constantly thinking about them and trying to be around them all the time. And there's also the theme of danger, as the yandere's extreme behavior can put the male reader in potentially harmful situations.
Isolation is a theme that often comes up. The dragon may isolate the reader from the outside world, wanting the reader all to itself. Also, the theme of transformation can be seen in some cases. Maybe the reader starts to change because of their relationship with the yandere dragon, either physically or mentally, as they adapt to the dragon's intense love and possessiveness.
Another theme is the struggle for freedom. The male reader often finds himself trapped in the yandere's web of affection and has to figure out how to break free or at least co - exist with her obsessive nature. It's like a battle between his own will and her overpowering love. In some fics, this struggle is the main driving force of the plot. Also, there can be a theme of secrecy. The yandere might hide her true nature from the male reader at first, which adds an element of mystery and danger to the story. And when the male reader finally discovers the truth, it often leads to a whole new set of problems and conflicts.
Another theme is protection. His yandere side makes him extremely protective of the reader. He'll go to great lengths to keep the reader safe, even if it means using rather extreme methods. For example, he might isolate the reader from potential threats, which could include other people he deems untrustworthy. This theme of protection is often intertwined with his possessiveness. Also, the theme of secrecy is present. Levi may hide his more extreme yandere actions and feelings from the reader at first, creating a sense of mystery and unease in the story.
The theme of anticipation is also quite prevalent. Both Sebastian and the reader are anticipating the arrival of the baby. This can be shown through things like preparing the nursery together, or just talking about what the baby will be like. There's a sense of excitement and nervousness that runs throughout these stories.
One common theme is redemption. Sebastian is often portrayed as a bit of a bad boy in Glee, and in fanfiction, he might seek redemption through his relationship with the reader. Another theme is rivalry. Maybe there's a love triangle with another character from the show.
Another theme is the anticipation and preparation for the new arrival. The stories could focus on how they decorate the nursery, pick out baby names, or attend prenatal classes together. It's all about building up to the big moment of the baby's birth and how their relationship evolves during this process.
One common theme is the power dynamic. Sebastian is a powerful demon and the reader is often in a more vulnerable position, so exploring how that power is balanced or shifted is frequent. For example, in many fics, the reader might initially be at Sebastian's mercy but gradually gain some form of influence over him.