I haven't read this particular 'blow to katsuragi senran kagura fanfic' specifically. But generally, in fanfics related to Senran Kagura, they often explore the characters in more depth. Maybe this one focuses on Katsuragi and some kind of 'blow' could refer to an action, event or even a metaphorical concept within the story.
Rather than seeking adult fanfiction, you can look for fan - made stories that delve into Misato's leadership, her friendship with other characters, or her backstory. These types of fanfictions can be found on various fanfiction platforms by using appropriate filters.
Well, Keima Katsuragi is known for his otaku - like nature. He is obsessed with video games and 2D girls. This characteristic plays a major role in the visual novel as it drives many of the storylines. For example, his knowledge and passion for gaming often help him in various challenges he faces within the game - world - like scenarios of the visual novel.
Perhaps. The Evangelion fandom is known for its active participation in creating and consuming fan works. 'evangelion the one i love is fanfiction' could be popular if it manages to resonate with the fans' emotions and expectations. For example, if it delves deep into the complex psychological aspects of the characters, similar to the original series, it might gain a following. Also, if it provides a fresh perspective on the love stories within the Evangelion universe, it could attract a lot of readers.
In general, the Evangelion mangas are considered good. They expand on the anime's universe, providing more depth and character development. However, it depends on personal preferences as some might find the style or pacing not to their liking.