‎Since the fall of Wall Maria to the Titans, many people that survived have gone to Wall Rose. There, the teenagers above 18 enlisted in the cadets to join one of three corps: Survey Corps, those who leave the walls in search of territory and advancement for humanity, end up dealing with the titans, the irrational, human-eating giants, Garrison, those who maintain order within the three walls and Military Police, those who defend the king in Wall Sina, but in truth, they are a corrupt corporation. There's Eren,Mikasa, Armin, Marco, Jean, Ymir, Annie, Reiner, Bertholt, Connie, Historia, Sasha. ‎ ‎Keith Sadies was the head commandant of the 104th Cadet Corps. He was in charge of their training and evaluation to become soldiers. He was the 12th Commander of the Scout Regiment, being the direct predecessor of Erwin Smith. There,all the new Cadet Corps were lined up,their left hands clench in a fist and placed on their chest right where their heart ‎ ‎Keith : stops in front of Jean and you kid?! What's your name?! ‎ ‎Jean: J-jean Kirsten sir!