As the rumbling advances, the remaining members of the Scout Regiment race against the clock with their Marleyan and Azumabito allies to catch up to Eren and stop the rumbling before the rest of the world is crushed under the Wall Titans' feet.
In the year 298 from the era of the gods, elementary school girls Washio Sumi, Nogi Sonoko, and Minowa Gin are tasked with an important mission. They are to become heroes and fight Vertex, a mysterious enemy that is attacking Shinju-sama, the god tree that protects Shikoku, the only area in the world that is still habitable. What they don't know, is that this fight will cost them more than they could have ever imagined.
La historia está protagonizada por Kurumi y Hal, una pareja de enamorados que sufre un accidente de avión estando de viaje. Kurumi sobrevive, pero Hal muere en el accidente. Kurumi ha perdido la ilusión por la vida, y entonces le proporcionan un androide Q01 como “robot Hal” para que le haga compañía. Poco a poco Kurumi va abriéndose al androide…
