Reiner Braun is a fictional character of the anime Attack On Titan. The plot of Attack on Titan centres on a civilization inside three walls, the last location where humans still live. Over one hundred years ago, humanity was driven to the brink of extinction after the emergence of humanoid giants called Titans, who attack and eat humans on sight.
The last remnants of humanity retreated behind three concentric walls and enjoyed nearly a century of peace. To combat Titans, the country's military employs Vertical Maneuvering Equipment, a set of waist-mounted grappling hooks and gas-powered propulsion enabling immense mobility in three dimensions.
Fan ships are a hot topic in the anime community, and everyone forms their own opinion about the ones that become mainstream or even when it becomes canon.
Reiner Braun is the Vice-Captain of the Warrior Unit and the main protagonist of Attack on Titan from the Marleyan perspective. He is the illegitimate son of an Eldian and a Marleyan and grew up in Liberio's internment zone. Eventually, he was selected as a child to become one of Marley's Warriors. At the age of ten, he inherited the power of the Armored Titan.
ReiAni- The Fanship
ReiAni is the fanship between Reiner Braun and Annie Leonhart. The two are Eldians who lived on Marley as Honorary Marleyans in Liberio, their relationship is known to be professional as they're inheritors of the titans Marley owned in the Warrior unit, with Reiner being the Armored Titan, and Annie the Female Titan.
Reiner and Annie, along with two other warriors were sent to Paradis Island to take back the Founding Titan. On their way to the walls of Paradis, their leader, Marcel is eaten by a pure titan, meaning they lost the Jaw Titan. Due to this situation, Annie gave up and told Reiner she wanted to go home due to losing their leader as she relied on his leadership.
Reiner rejects this decision telling Annie they can't go home as they need to complete the mission, knowing if they don't finish the mission Reiner would most likely get fed to the next warrior as punishment or the three of them.
Annie kicks Reiner by the jaw and proceeds to tell him to tell the commander that he should be the one who says it's his fault, before continually stomping on Reiner's face and saying Elidans and Marleyans are both liars as well that they only think of themselves, also that she wanted to go home and see her father.
Annie continues and tells Reiner if he's sorry then he should die as a way to own up for his mistakes. As Annie leaves, Reiner jumps behind her and begins to choke her and telling Annie if she wants Reiner to be Marcel (becoming a leader) then he'll be Marcel.
They continue the mission which will be known as "that day" for the people in Shiganshina District. Eventually, the two join the Training Corps as a way to get closer to the interior police. During their training, Reiner tells Eren to punish Annie by attacking her since she was slacking off, after this Annie attacks Reiner for starting a fight after she finishes off Eren.
Reiner, Annie, and Bertolt have a meeting as it was five years ever since the mission of taking the Founding has started, during the meeting Annie tells the two how she wanted to go back to Marley but Reiner disagrees and brings up a new plan to bring out the Founding Titan by destroying Wall Rose.
The majority of the shipper sees ReiAni more platonically than romantically. However, the ship still has a small fanbase, that enjoys the little fan content that exists for the ship.
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