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.
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.
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 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.
Love and fear are also intertwined themes. The yandere female villain may truly love the male reader in her own twisted way, but her actions instill fear in him. This creates a complex emotional dynamic. Additionally, the theme of secrecy often comes up. The male reader may have to keep his relationship with the yandere a secret from others in the DC world, either because he's ashamed or because he fears for their safety. And the theme of identity is there too. The male reader may question his own identity as he's caught up in this strange relationship with a yandere villain.
One common theme is obsession. The yandere is typically obsessed with the shotoca. Another theme is possessiveness. The yandere wants to own and control the shotoca. Also, there can be a theme of danger, as the yandere's extreme behavior can put the shotoca in a risky situation.
One common theme is the power struggle. The yandere often tries to exert power over the nemesis, while the nemesis fights back to maintain their independence. For example, in many fictions, the yandere might use psychological manipulation to gain an upper hand.
One common theme is the intense and often obsessive love of the yandere character, Sadou Maou. For example, he might go to extreme lengths to protect the reader. Another theme could be the power dynamics, as Sadou Maou might have some sort of power that influences the relationship with the reader. Also, the internal conflict of the reader in dealing with such an overbearing and obsessive love can be a theme. They might struggle between being drawn to Sadou Maou's passion and being frightened by his extreme behavior.
One common trope is the 'isolation' trope. As mentioned before, the yandere will try to isolate the reader from others. Another is the 'jealousy' trope. The yandere gets extremely jealous at the slightest hint of the reader showing interest in someone else. Also, there's the 'protectiveness' trope, where the yandere believes she's protecting the reader from the world, but in reality, she's just being possessive.
In this type of fanfiction, a common trope is the yandere prince's single - minded devotion to the reader. He will put the reader above all else, including his own kingdom sometimes. The prince may also have a dark side that only the reader gets to see. This can add an element of mystery and danger to the relationship. Another trope is the idea of the reader being an outsider in the prince's world, which makes their relationship even more complex as the prince tries to fit the reader into his life while also keeping them all to himself.
One common theme is extreme possessiveness. The male yandere character often wants to have the object of his affection all to himself, to the point of being overbearing. Another theme is secrecy. He might hide his true, obsessive nature from others while plotting ways to keep his love interest close. And a third theme could be the transformation of the yandere. Maybe he starts off seemingly normal but gradually reveals his yandere tendencies as the story progresses.