Often, fanfiction focuses on aspects that might not be fully explored in the original. In the case of 'human instrumentality project fanfiction', it could expand on the psychological impacts that were only hinted at in the original source.
The fanfiction might take different character perspectives more deeply compared to the original. For example, in the original, a minor character's view of the human instrumentality project might be overlooked, but in the fanfiction, that character's experience could be a central focus, leading to a very different narrative. Also, the fanfiction may introduce new plot elements that are related to the human instrumentality project but were not part of the original storyline, which can give a fresh take on the whole concept.
In 'taken by the dark side fanfiction', the focus is often more on the internal struggle of the characters being influenced by the dark side. While the original source material might touch on this, the fanfiction dives deeper. For example, it might explore the psychological impact in more detail.
One interesting concept could be the exploration of human connection in a different way. In the fanfiction, it might show how characters' relationships are redefined under the idea of the human instrumentality project.
In the original source material, the 'pound of flesh' concept may be more straightforward. However, in the 'pound of flesh fanfic', it could be twisted or adapted in various ways. Maybe the fanfic changes who is demanding the 'pound of flesh' or the reasons behind it. It could also add more layers to the consequences of such a demand, making it more complex than in the original.
Disney usually makes the stories more upbeat. In original stories, there can be a lot of gloom and doom. But Disney brightens them up. Like in 'Beauty and the Beast', the original story has a more austere and less romantic feel. Disney added more color, made the Beast more likeable earlier in the story, and of course, put in those great musical numbers.
The Overlord manga closely follows the original. There are occasional tweaks, but they don't significantly impact the plot or the essence of the story. Fans generally appreciate how closely it adheres to the source.
Not much. The Berserk manga mostly sticks close to the original concepts and storylines.
It varies. Some parts are very close, while others have some noticeable differences.
Not much. The Dan Machi manga mostly sticks close to the source, with just a few tweaks here and there.
In 'naruto human transmutation fanfiction', it often delves into darker and more complex themes compared to the original storyline. The original Naruto is mainly about friendship, hard work, and achieving one's dreams. While the fanfiction may still have those elements, the human transmutation aspect adds a layer of moral ambiguity. Characters may have to make difficult choices regarding using this forbidden practice, which is not a part of the straightforward good - vs - evil narrative of the original. Also, the power dynamics can be drastically different as characters may gain new abilities through transmutation that are not present in the original Naruto world.
It depends. Sometimes it follows very closely, but there can be some creative changes to make it more suitable for a wider audience or for cinematic/TV adaptation.