In a world entirely ruled by giants, the human race, which has turned into their food, has surrounded its residential zones with immense walls, which both prevent their freedom outside the walls and protect them from incursions. However, as a result of the appearance of supergiants who cross the wall, a desperate struggle begins and the young heroes, who have lost their parents, fight the giant as a training corps, with a view to regaining their freedom.
The same time the monster first appeared before me, the public was disturbed by a string of bizarre murders. It was then that I began to wonder whether they and my beautiful yet eerie roommate were connected.
Those who are resistant to death are called "Demi-humans".
That day, Kei Nagai, a High school student, should have died in a traffic accident, but he comes back to life shortly after. In other words, Kei is a demi-human. Since then, his world changes dramatically. Terrified and without knowing what is going on, Kei is saved by his friend, Kai. Together, they flee deep into a deserted mountain. Later, a group of demi-humans who are hostile against humans contact Kai. Who is he fighting against
Shingeki no Kyojin