One common theme is friendship. When Izuku is sick, his friends often come to his aid, showing the strong bonds in Class 1 - A.
Another theme is perseverance. Despite being ill, Izuku usually tries to keep going, whether it's training or dealing with schoolwork. It reflects his determination from the original series. For example, in many fics, he might be sick but still tries to participate in hero training sessions in some way.
A major theme is also the idea of support. The characters in the harem are often there to support Izuku in his journey to become a great hero. This can include emotional support, like when he's feeling down about his progress, or practical support during battles or training. And of course, there's the theme of love and attraction, which is a fundamental part of any harem story. Different characters in the harem will show their love for Izuku in various ways, whether it's through acts of kindness, protecting him, or just being there for him.
One common theme is growth. Both Izuku and Tsuyu are characters who are constantly evolving in the original series, and in fanfiction, this growth is often explored further. For example, they might grow not just as heroes, but also in their relationship with each other.
One popular 'boku no hero academia izuku sick fanfiction' is 'Sick Days' where Izuku is ill and his friends from Class 1 - A take turns to take care of him. It shows a different side of their relationships.
Often, a common element is a distorted view of Izuku's power. Maybe his One For All power goes out of control in a terrifying way. Another element could be that the normally friendly characters in the Boku no Hero Academia world turn against Izuku, creating a very scary and isolating situation for him.
Bakugo is often paired with Izuku. Their complex relationship can add a lot of drama to the detective story. Bakugo might be reluctantly helping Izuku or even be a suspect in the case Izuku is investigating.
One great 'Boku no Hero Academia Izuku' fanfic could be one where Izuku discovers a new, hidden quirk within himself that's not related to One For All. This could lead to him having to train in a completely different way and form new relationships with his classmates as they all try to figure out this new aspect of his powers.
One common theme is mentorship. Teachers in these fanfictions often take on the role of guiding students, like how they can better control their quirks. Another theme is the teachers' own backstories. Many fanfictions explore what made the teachers become educators in the first place.
One common theme is friendship evolving into something more. For example, two female characters who start as comrades in hero training might gradually realize they have romantic feelings for each other. Another theme is the struggle against society's expectations. In the 'Boku no Hero Academia' world, heroes have certain images to uphold, and a lesbian relationship might face challenges from the public or the hero community.
One common theme is friendship. Just like in the original series, the pets and their owners or the pets among themselves form strong bonds of friendship. For example, a dog might be extremely loyal to its hero owner and help them in times of need.
One common theme is the exploration of Stain's sense of justice. Since he has a very distinct view on what makes a true hero, fanfictions often delve into this concept, comparing it with the more mainstream ideas of heroism in the 'boku no hero academia' universe.