Levi's Daughters (Attack On Titan Fanfic)

Two twins Akane and Saya are special to the Military for their skills in combat. Their parents don't know of their existence yet when it comes to it, but the likeness is easily shown. The two girls meet everyone in the Survey Corps and help take down the Titans. How will they cope? What exactly will they get up to?....... I do not own any of the characters in this fan fiction except for our own characters, all rights belong to the producers of the anime and the writers of the manga. Also this fanfic does contain spoilers for those who haven't read the manga or seen the anime's first season so be warned and proceed at your own will as you have indeed been warned beforehand.