Attack on Titan is a dystopian fantasy anime and manga series created by Hajime Isayama. It takes place in a world where humanity lives in massive fortified cities to protect themselves from the titans, giant humanoid creatures that devour humans for no reason. The story mainly tells about Eren Yeager, his sister Mikasa Ackerman and his good friend Armin Arlert.
The story unfolds as the friends join the army to fight the Titans, when their hometown is overrun and Eren's mother is swallowed by one of their own. As the story progresses, they begin to unravel mysteries surrounding the Titans, including Eren's ability to become one. The Attack on Titan universe is full of deep stories, political intrigue and intense strategic battles against the Titans.
Attack on Titan's charming unpredictability and exploration of the value of human life have made Attack on Titan one of the most compelling series in the world of manga and anime.