Annie Leonhardt is one of Princess Celestia's newly minted soldiers of her Royal Guard after she is exiled from Earth following the events of the War on Titans. Annie is still visibly and emotionally haunted by her actions in that war and the casualties she caused, leading her to feelings of dishonor and shame.
Princess Celestia, in an effort to raise her self-esteem and sense of purpose, decides to put Annie's extraordinary military prowess to good use. Celestia instructs Annie and one of her best rookie guards, Flash Sentry, to escort a griffon named Gilda, who has been convicted of murder, from the prisons of Manehattan to the dungeons of Canterlot.
Despite Gilda's declarations of innocence, Annie and Flash Sentry cannot find it in them to believe her. However, after a deadly altercation with a group of ponies that matches the description of the supposed true murderer that Gilda gave, Annie declares Gilda innocent, and she and Flash Sentry free her. With their cover blown, the violent gang of ponies chase after Annie, Gilda, and Flash Sentry to kill them before they can return to Canterlot and clear Gilda's name.
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Awesome Cover Art (as always) by InsanityLittleRed
During a titan attack of the district of Trost, six magical, talking ponies mysteriously appear behind the city walls. After learning the abilities of the ponies, the Military allows them to fight alongside them in a desperate bid to save humanity.
Annie Leonhardt, now under the command of Princess Celestia following her exile from Earth, is tasked with escorting a griffon named Gilda to Canterlot after she's charged with murder, unaware of some shady individuals who want her to stay gone.
One year after the humans' victory over the titans, Princess Celestia invites Eren Jaeger and his friends from the Scouting Legion to Equestria. However, old and new enemies return to take over Equestria with the assistance of even older enemies