Attack on Titan (Volumes 1–21) is an intense and emotionally powerful manga series set in a world where humanity fights for survival against gigantic humanoid creatures known as Titans. Protected by massive walls, people live in constant fear until a devastating breach changes everything for young Eren Yeager, pushing him toward revenge and freedom. As Eren joins the military alongside his friends Mikasa and Armin, shocking truths about Titans, power, and humanity begin to unfold. The story blends brutal action, political conflict, moral dilemmas, and deep character development. Each volume raises the stakes with unexpected twists, powerful battles, and heartbreaking sacrifices. Dark, gripping, and thought-provoking, this series explores freedom, identity, war, and the cost of survival. Perfect for manga lovers who enjoy epic storytelling, high tension, and unforgettable world-building.