A very long time ago when the Earth is huge omnivores, the human race was nearly exterminated. They devour people more pleasure than needed, and the only survivors were forced to hide in a walled city too high to be missed by these ferocious creatures. Eren restricted lived in this community, which has not seen any giant for more than a century, but in a good day at the gates of the fortress made an appearance and a monster taller than anyone ever could have imagined. It shatters walls and make room to enter and other creatures like him. Eren and he makes bold promises not to leave any giant in life.