You can start by looking on Archive of Our Own (AO3). It has a vast collection of 'Umbrella Academy' fanfictions, including many focused on Five. The site has a great search function that allows you to filter by character, genre, and more.
Fanfiction.net is also a good place. There are quite a few 'Umbrella Academy Five Fanfiction' pieces there. However, the interface might not be as user - friendly as AO3, but it still has some hidden gems. You might need to do a bit more digging to find the really good ones.
You can start by looking on Archive of Our Own (AO3). It has a large collection of fanfictions for all kinds of fandoms, including The Umbrella Academy. Just type in 'umbrella academy five x reader' in the search bar and you'll get a bunch of results. Another option is FanFiction.net, though AO3 generally has a more diverse and inclusive range of stories.
There's also a fanfic called 'Five and the Mysterious Portal'. This one combines Five's ability to jump through time and space with a new, mysterious element that adds a whole new layer of intrigue to his story. It's full of action and unexpected twists that keep you hooked from start to finish.
I also like 'The Lost Years'. It fills in the gaps of the characters' lives that were not fully explored in the show. It's full of interesting backstories and character development.
The 'Umbrella Academy Five Returns Earlier' fanfiction might explore various aspects. It could focus on how Five's earlier return disrupts the existing timeline in the Umbrella Academy universe. Maybe it shows how the other characters react to his unexpected early arrival. For example, his siblings might be shocked and have to quickly adapt to his presence, which could lead to new alliances or conflicts within the group.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). Just search for 'umbrella academy five and vanya' in the search bar, and you'll get a list of relevant fanfictions. Sort them by popularity or rating to find the ones that are well - liked by other fans.
You can also try FanFiction.net. It's been around for a long time and has a wide range of fan - created stories. However, the tagging system might not be as precise as AO3, so you may need to do a bit more digging. Additionally, some Tumblr blogs might also feature or recommend such fanfictions.
Another option is Tumblr. There are often posts and links to 'The Umbrella Academy Vanya fanfiction' on Tumblr. Some Tumblr users are really into writing and sharing fanfiction, and you can find some really creative and unique takes on Vanya's character there. Just search for relevant tags like '#TheUmbrellaAcademyVanyaFanfiction'.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions, and you can use the search filters to find the ones that are tagged as 'mature' for The Umbrella Academy. Another option is FanFiction.net, though the tagging system there might not be as detailed, but it still has a decent number of Umbrella Academy fanfictions.
One possible comfort scenario could be after a particularly difficult mission. Five, with his time - traveling experience, might share some wisdom with Vanya to soothe her. For example, he could tell her that the chaos they face is all part of a bigger plan and that she has an important role to play in the grand scheme of things. This would give Vanya a sense of purpose and comfort.
Some Discord servers focused on the Umbrella Academy might also be a good place to find fanfiction. Fans often share their works or recommend good ones in these servers. You can join relevant servers by searching for Umbrella Academy - related groups. However, make sure the server is appropriate and follows the rules regarding sharing of fan - created content.