Eren Jaeger. A person who was branded a slave after his brother died while serving in a war because of his foolish mistakes. Mikasa did not save him. His task as a slave? To carry bridges while people fought on it. And soon, he became part of Bridge Four, infamous for killing off almost 80% people in a brutal way while they carried bridges. Almost half a year later, someone saw potential in him and his bridge members and saved them. Who was this person who gave him and his crew mates freedom?