Ashes to Ashes

It started with the capture of Byleth Eisner to the Abyss. Hell was raised in an attempt to bring her back, forcing the three House Leaders of Garreg Mach to do something unprecedented- Work together. As new bonds are formed, new enemies revealed, figuring out friend from foe becomes impossible. All due to a brothers love for her sister, and his relentlessness. Eisner Twins AU