Power dynamics also play a role. There could be a dominant and a submissive character, which adds an extra layer of tension and excitement to the relationship. This can be seen in novels where one character is in a position of authority, like a CEO or a senior in a school, and the other is more inexperienced.
Self - acceptance is another theme. The characters may struggle with their own identities and desires, especially in a society that may not be fully accepting of same - sex relationships. Through their relationship in the novel, they learn to embrace who they are and their feelings for each other. It's not just about the erotic aspects but also about personal growth and acceptance.
The theme of forbidden love often appears. Since it's BL, in a horror context, the love between the two male characters might be seen as something that goes against the norm in the spooky world they are in. Maybe there are forces trying to keep them apart because of their relationship, which adds an extra layer of drama and horror to the story.
One common theme is self - discovery. The transmigrating character often has to figure out who they are in a new world and how they fit in. For example, they might discover new abilities or aspects of their personality. Another theme is the changing of fate. They try to change the original plot, especially when it comes to the fate of the male love interest.
One common theme is the power imbalance. Since vampires are often depicted as more powerful than humans, in a BL context, this can create an interesting dynamic between the two male characters. Another theme is the struggle with identity. The vampire character may be struggling with his vampiric nature while also dealing with his feelings for the other male character.
One common theme is self - discovery. The transmigrated character often has to re - evaluate who they are in a new world and new relationships, especially in a BL context. For example, they might discover new aspects of their sexuality. Another theme is power dynamics. There could be a power struggle or a power imbalance between the two male characters at the start which then evolves over time.
Power imbalance is a common theme. One character often has more control or influence over the other, which can lead to the 'abusive' nature of the relationship. For example, in some novels, a wealthy or more socially powerful character can manipulate the other.
Erotic BL novels usually have a focus on the sexual tension between the male leads. This can be shown through their interactions, glances, and body language. For example, in some novels, the characters might have a love - hate relationship where the underlying sexual tension is a big part of the story. Also, the writing style might be more flowery and descriptive when it comes to these aspects compared to non - erotic BL novels. And they may deal with themes of desire, lust, and the exploration of one's sexuality in the context of a same - sex relationship.
Survival and hope are also prevalent themes. The war prisoner often has to fight for his survival in a difficult situation, and the relationship with the other character can become a source of hope. In some novels, they rely on each other to get through the tough times in the prison or war - affected area.
One common theme is self - discovery. The transmigrated character often has to figure out who they are in the new world and in the context of their new relationship. For example, in many novels, they might discover new aspects of their personality through their interactions with their love interest.
Betrayal can be a theme as well. When one character feels betrayed by the other, either because of false accusations or actions that seem to go against their relationship, it adds a layer of sadness. This can lead to a breakdown in their relationship and a lot of emotional pain for both characters involved.
Obsession is a very common theme. The yandere character is often overly obsessed with the object of their affection. For example, in 'Killing Stalking', the yandere character's obsession drives a lot of the dark and disturbing plot.