This sounds like a very strange and perhaps fictional story. I haven't come across anything like it. It could potentially be a very creative and out-of-the-box idea.
In popular series, anime can add or modify scenes for better visual impact and pacing. Manga, on the other hand, gives readers more control over the pace of consumption and...
There aren't many major differences. The English version might have some minor tweaks in translation to make it more understandable for English readers.
The unique plot and well-developed characters usually make it stand out. A fresh story with unexpected twists and turns can capture readers' attention.