Often, the dynamic between Present Mic's energetic and loud personality and the Reader's more relatable or 'normal' perspective creates interesting interactions. The Reader can be written as being in awe of Present Mic's hero status at first.
One popular type of Present Mic and Reader fanfiction involves the Reader being a new hero in training. In these stories, Present Mic often takes on the role of a mentor. For example, there are fics where he helps the Reader control their quirk through his unique vocal-based abilities.
A present mic fanfiction could focus on his relationships with other heroes. He seems like a really friendly and outgoing guy, so it could be about his adventures with Eraserhead. They could be solving a mystery together in a noisy city, with Present Mic using his voice to disrupt villains while Eraserhead takes them out.
A theme could also be his heroic deeds. Fanfictions could be written about him saving a large group of people from a powerful villain using his sonic powers in creative ways, like creating a sonic shield to protect them or using his voice to confuse the villain into making mistakes.
Well, 'bnha' is likely referring to 'My Hero Academia'. A 'dark' fanfiction about Present Mic could explore his character in a more sinister or complex light. It might involve him facing moral dilemmas or being part of a darker storyline within the My Hero Academia universe. Maybe it could show his past traumas influencing his actions in unexpected ways.
In another scenario, it could be a case of a deranged fan who kidnaps Present Mic because they think they can have him all to themselves. This could lead to a psychological exploration of the kidnapper's motives and how Present Mic tries to reason with the fan and escape, while the other heroes are on their way to save him.
It could be a new villain who is trying to make a name for themselves by targeting a popular hero like Present Mic. They might see him as an easy target to get attention.
One possible theme could be the loss of innocence. Present Mic, who is usually seen as a jovial character, could be shown losing his positive outlook as he is exposed to the darker side of the hero world. Another theme might be betrayal. He could be betrayed by someone he trusts, which would send him on a dark path.
A common theme is their shared work environment. Since they both are part of the U.A. High School faculty, many fanfictions explore how they deal with the daily chaos of teaching and protecting the students. Another theme could be their contrasting personalities. Nezu is very intelligent and calm, while Present Mic is more energetic and outgoing. Fanfictions often play with how these different personalities interact and complement each other.