Yes, some aspects of PewDiePie's story are based on real events. His journey in the world of online content creation, from starting out small to becoming a huge YouTuber, has real elements like dealing with the growth of his channel, the community he built, and the various challenges and opportunities that came his way in the digital media landscape.
There may be PewDiePie - themed visual novels in the vast expanse of the internet. Since PewDiePie is such a popular figure, fans often like to create various types of media related to him. Visual novels could be one such medium. They might feature PewDiePie - like characters, his catchphrases, or be set in a world inspired by his videos. But again, it's likely not an official product.
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.