After hundreds of years, the wall separated humans from the outside world. On the other side of the wall, it seems that a world never seen before extends. Fire water, ice land, sand and snow fields... The words recorded in the book are all words that inspire the young man's curiosity. As time goes by and the wall is destroyed by the giant, humans are getting closer to the truth of the world step by step. What is the true identity of the giant? Why are there giants buried in the wall? What is the power of "coordinates" held by the giantized Eren Yeager? And what does Sistria Reis know about this world? With the participation of Eren and other 104th soldiers, the new system of Levi's team is established. The strongest and most evil enemy blocks them from taking action.