All the events of this story began in a world where humanity lives in cities surrounded by enormous walls,a defense against the Titans, gigantic humanoids that eat humans seemingly without reason.
It's all about one person named Eren, Eren Yeager. And also his adopted sister Mikasa Ackerman and childhood friend Armin Arlert,who join the military to fight the Titans after their home town is invaded and Eren's mother is eaten. However, as the story progresses and the truths about the Titans are revealed, This last trio joined the Levi team who has always been a role model to Yeager.
As the events unfold , it appeared an special titan defends humans and show that he is against all the titans. I know it's quite weird and a big mistery.
