It's fairly common. Fans often look for more content related to their favorite shows. Since 'Attack on Titan' has a large and passionate fan base, there are a lot of fanfics available. 'Aot' fans might watch (read) these fanfics to explore different scenarios that the official story didn't cover. For example, they might want to see how a certain character would react in a different situation or what would happen if a major plot event had a different outcome.
Mangadex might have uncensored manga. But it's important to note that the presence of uncensored content can change over time and is subject to various factors such as publisher restrictions and site regulations.
It varies. Sometimes you can find uncensored manga on Mangadex, but it's not a guarantee for all series. It really depends on the uploaders and the availability of uncensored versions.
Downloading manga from Mangadex is not a legal or ethical thing to do. You should support the creators by purchasing or accessing manga through legal means.
There could be various fanfictions. Maybe some that focus on alternative endings, like ones where certain characters survive who didn't in the original. For example, a fanfiction where Erwin survives and leads the Scouts in a different way.
One popular mangadex light novel is 'The Rising of the Shield Hero'. It follows the story of Naofumi, who is summoned to a parallel world as one of the four cardinal heroes but is wrongly accused and has to fight against all odds. 'Konosuba' is also well - liked. It's a comical take on the isekai genre, with a group of misfits on an adventure in a fantasy world filled with all kinds of absurd situations.
Mangadex.org does offer light novels. However, the selection might not be as extensive as some dedicated light novel platforms. But you can still find some popular and interesting ones there.