What is the most popular fanfiction and why?

I'm not sure if it's a popular one. It could be popular if it combines the cool elements from Naruto and Highschool DxD well, like Naruto's powerful jutsus in the Highschool DxD universe. But it might not be if the writing is bad or the combination feels forced.

'Attack on Titan' stands out. The unique premise, intense action scenes, and complex plot make it a favorite. It also raises thought-provoking questions about humanity and survival.

Spider-Man comics are often considered very popular. They have a wide fan base because of the relatable character and exciting storylines.

I think 'Solo Leveling' is one of the most popular. It's got a great story and amazing art.

One of the favorites is Batman comics. They have great art and complex characters. Also, the dark themes attract a lot of readers. The consistent world-building keeps fans engaged.

One of the most popular manhwa is 'Solo Leveling'. It's loved for its exciting storyline and well-developed characters.

Well, SpongeBob SquarePants is super popular because it's funny and has unique characters. Also, Mickey Mouse is a classic that everyone loves for its timeless charm.

DC comics are quite popular too. Their heroes like Batman and Superman have a huge fan base. The depth of their characters and the complexity of the story arcs draw people in.

One of the most popular comics is 'Spider-Man' because of its compelling storylines and beloved characters.

One of the most popular manhwas is 'Solo Leveling'. It's loved for its exciting plot and unique character development.