Adventure is a big theme. Characters going on new quests, exploring unknown areas, and facing new threats. And then there's the theme of self - discovery. Characters learning more about themselves, their limits, and their potential. This can be seen in fanfictions where characters train hard to become better.
The theme of identity is also common. Some fanfictions question the identities of the heroes and monsters. Are they really what they seem? There's also the theme of the hero society. How it functions, its flaws, and how it could be improved. For instance, stories might show the politics within the hero association.
The 'One Punch Man' web novel is about Saitama, a hero who can defeat any opponent with just one punch. It explores his rather dull daily life in spite of his overwhelming strength, his interactions with other heroes and villains in the Hero Association, and the comical situations that arise from his extreme power.
Sure. 'One Punch Man: A New Beginning' is a great one. It explores what would happen if Saitama had a rival who could actually match his strength in some ways. Another interesting one is 'Pne Punch Man: The Sidekick's Story', which focuses on the perspective of one of Saitama's sidekicks and their adventures.
Saitama is the central character in the 'One Punch Man' web novel. He's the guy who can defeat any foe with one punch. Then there's Genos. Genos is a cyborg who admires Saitama a great deal and becomes his disciple. He is constantly looking to get stronger and has his own set of skills and backstory that play into the overall story.
A common theme is the clash of powers. Since Deku has his own set of powers from My Hero Academia and he's in the One Punch Man world, there's often exploration of how his powers compare to the likes of Saitama's. Another theme is adaptation. How does Deku adapt to this new and very different hero environment.
One common theme is power comparison. Since Saitama has such overwhelming power in One Punch Man, fanfictions often explore how that power stacks up against the Huntsmen and Huntresses in RWBY. Another theme is the clash of different worlds. The modern, somewhat comical world of One Punch Man and the more fantasy - based RWBY world coming together creates interesting scenarios.
The theme of adventure is also prevalent. Fangirls take their characters on adventures through the various locations in the One Punch Man world. They might explore the strange and dangerous places, face off against powerful monsters, or uncover secrets about the world that weren't known before. This allows for a lot of action and excitement in the fanfiction, and it also gives the fangirl character a chance to prove herself and grow.
One common theme is power and powerlessness. In the context of slavery, characters who are slaves often lack power, while those in control have a lot. This is interesting when compared to the normal One Punch Man setup where Saitama has all the power.
One common theme is power comparison. Writers often explore how Gohan's power from Dragon Ball would stack up against Saitama's in One Punch Man.
One common theme is the clash of power levels. One Punch Man is known for its extremely powerful characters like Saitama, while Undertale has a range of characters with different abilities. Fanfictions often explore how these different power levels interact. For example, how would Saitama's one - punch ability fare against the powerful bosses in Undertale? Another theme is the exploration of different worlds. The two universes are very different, and fanfictions like to play with the idea of characters traveling between the two. It can be a really interesting concept as they bring their own cultures and values with them.
Character growth is also a big theme. For example, some fanfics might have characters from One Punch Man learning about the importance of teamwork from the Persona 5 crew, or the Persona users becoming more confident like Saitama. Additionally, the exploration of different worlds is a theme. How would the normal world of One Punch Man react to the Metaverse of Persona 5 and vice versa? There are many possibilities that fanfic writers like to play with.