Powerlessness is also a key theme. In stories with horror characters like the Annabelle doll. The reader often feels powerless against the supernatural forces at play. The horror character has abilities or powers that the reader doesn't have, and they have to find a way to either overcome that or at least survive in the face of such overwhelming power.
Friendship is a common theme. The reader often forms a strong bond with Sonic or other characters, like in 'Sonic's Best Friend' where they go through adventures together. Another theme is adventure itself. Fanfictions like 'Sonic and the Reader: The Great Quest' are all about going on exciting journeys. Love can also be a theme, as in 'Amy's Crush on the Reader' where the relationship has a romantic aspect.
The theme of redemption can be found in some Levi x Reader stories as well. Maybe the reader has a past they are not proud of, and Levi helps them find a way to redeem themselves. Or it could be the other way around, with Levi having some internal struggle that the reader aids him in overcoming. These themes add depth to the relationship between the two characters in the stories.
Adventure is a common theme. Hiccup is known for his adventures, and when paired with the reader, they often go on quests, like exploring uncharted islands or finding lost dragon species.
One common theme is the love for volleyball. In these stories, whether it's the reader or the Haikyuu characters, their passion for the sport is always evident. Also, teamwork is crucial. The reader usually has to work together with the team members to achieve their goals, like winning a match or improving the team's overall performance. And there is often a bit of a romantic undertone as well, as the reader may develop feelings for one of the characters.
Love and romance are very prevalent. The relationship between Zeldris and the reader character is usually explored in a romantic way, with all the emotions like love, jealousy, and passion.
Adventure is a very common theme. The reader usually embarks on an exciting journey, whether it's through a magical land or in outer space. Another theme is self - discovery. As the reader interacts with the epic world and its characters, they often learn more about themselves.
One common theme is cultural exchange. Since the Hetalia characters represent different countries, there's often a focus on sharing cultural aspects between the character and the reader. Another theme is adventure. The reader might go on an exciting journey with a Hetalia character.
Love and acceptance are common themes. Since mermen are from a different species, there's often a plot about the reader accepting the merman's differences and falling in love despite them.
One common theme is self - discovery. As the reader interacts with Dream in the story, they often learn more about themselves. Another theme is the power of the imagination, since dreams are all about the mind's creativity.
One common theme is the fear of the unknown. For example, in stories where there are strange noises at night or things that go bump in the dark, the main character doesn't know what's causing it. Another theme is the supernatural. Ghosts, witches, and monsters often appear in these stories. And there's also the theme of isolation. Many times, the main character is alone or feels alone when the horror events start to happen, like in a big, empty old house.