One common theme is power exploration. Since both BNHA and BSD have characters with unique abilities, fanfics often explore how these powers interact and combine. For example, a character's quirk from BNHA might be used in an unexpected way when paired with a power from BSD.
In the 'bnha reacts to villain deku fanfiction', different characters would have diverse reactions. Uraraka would likely be heartbroken. She has always seen Deku as a source of inspiration and a good friend. So, seeing him as a villain would shatter that image for her. The teachers, like Aizawa, would be concerned about how the situation came to be. They would probably start to question their own teaching methods and the environment that led Deku to become a villain.
Well, there's a 'bnha x bsd fanfic' named 'Allied Powers'. In this fic, the author does a great job of making the two different worlds interact. It shows how the characters from My Hero Academia and Bungo Stray Dogs might work together, fight together, and even form new relationships. It's full of action and some really cool crossovers of their powers.
In 'bnha reacts to villain deku fanfiction', the plot might develop as the heroes try to stop Deku from causing more harm. But at the same time, they are conflicted because they know the old Deku. This internal struggle among the characters could lead to some interesting sub - plots. For example, some might try to reach out to Deku secretly to bring him back to the good side, while others might be more aggressive in their approach to stop him.
Most BSD light novels often have complex characters. Since they are based on literary figures, they bring in the depth and complexity of those original personas. For example, a character might have the same traits as a famous writer but with a unique twist for the BSD universe.
The appeal of all BSD novels lies in their ability to create immersive worlds. They draw readers in with their unique concepts and engaging storylines. For instance, the way they handle character relationships is very captivating. The conflicts and reconciliations between characters make for a great read.