Some fanfics also focus on the psychological aspect of their relationship. Reiner and Bertholdt both have complex personalities and backstories. Fanfics might explore how they understand and support each other on a psychological level, perhaps dealing with their inner demons together.
Some Tumblr blogs are dedicated to sharing and promoting AOT fanfictions, including the reacts ones. You can search for relevant tags like #AOTreactsfanfiction on Tumblr. Also, Reddit has some subreddits dedicated to AOT. You might be able to find links to AOT reacts fanfictions in the posts or comments there.
Archive of Our Own (AO3) is also a great place to find AOT reacts fanfic. It has a very organized tagging system. So, you can search for the 'AOT' tag and then further narrow it down by looking for tags related to'reacts' stories. There are often some really high - quality and unique takes on the concept there.
One great AOT reacts fanfic is 'AOT Reacts to Modern Technology'. It shows the characters from Attack on Titan being exposed to things like smartphones and cars for the first time, which creates really interesting and humorous scenarios.
Sure. One great AOT reacts fanfiction is 'AOT Reacts to the Future'. It shows the characters from Attack on Titan reacting to events that might occur in a possible future timeline of their world. Another one is 'AOT Reacts to Modern Technology' which is really interesting as it has the AOT characters experiencing and reacting to things like smartphones and the internet.
Fanfiction.net is also a great place to look. There are many 'Attack on Titan' fanfics there. Just type in 'Reiner x Bertholdt' in the search bar and browse through the results. However, the quality may vary, so you might need to read a few to find the really good ones.
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.
Reiner did die in the manga. His death was a result of a series of events and conflicts that had been building up throughout the storyline. It had a major impact on the plot and the other characters.