Attack on Titan is a Japanese manga series written and illustrated by Hajime Isayama. Set in a world where humanity lives inside cities surrounded by enormous walls due to the Titans, gigantic humanoid creatures who devour humans seemingly without reason, the story centers around Eren Yaeger, his foster sister Mikasa Ackerman, and their friend Armin Arlert, whose lives are changed forever after the appearance of a Colossal Titan brings about the destruction of their home town and the death of Eren's mother.
Hajime Isayama
Armin Arlert