According to what I know about web novels, the longest series of anime is Naruto. This anime was started in 2007 and is still being published. It updated one episode a week and had already updated more than 1500 episodes. As a result, Naruto had been in series for more than 10 years and had become a very popular anime.
The 'darkstalkers graphic novel' probably delves into the rich and spooky world of Darkstalkers. It may tell the tales of the various beings like demons, vampires, and other supernatural entities. It could also touch on the themes of good vs. evil within that universe, as the characters fight for their own goals, whether it's for power, survival, or to protect their kind. It may also have some elements of horror and mystery, which are typical of the Darkstalkers franchise.
One common theme is the exploration of the characters' inner struggles. Since the Darkstalkers have unique powers and often face discrimination, fanfiction often delves into how they deal with these issues.
The longest animated series in the world was Dragon Ball. The anime was first released in 1996 and had been in series for more than 25 years. It was updated every week in manga magazines and on the Internet. Dragon Ball was a popular manga and animation that had many fans around the world. Its influence was not limited to Japan but also extended to Asia, Europe, and North America.
Felicia, a cat - girl character, is often a main character. She has a unique personality and abilities. There's also Demitri Maximoff, a powerful vampire.
The unique aspect is the blend of two very different worlds. Naruto has its ninja clans, jutsu, and a focus on friendship and perseverance. Darkstalkers has its own dark, supernatural elements like vampires, werewolves, and demons. When combined in fanfiction, it creates a whole new set of story possibilities.
One common theme is the struggle for acceptance. The Darkstalkers are often different from humans, and the fanfictions explore how they try to fit into the human world or how humans come to accept them.
One of the key features of this manga is its rich world-building. It creates a dark and mysterious atmosphere that keeps readers engaged. Also, the storylines often have unexpected twists and turns.