What is before the fall aot?

"Before the Fall" is a Japanese dark fantasy manga series written and illustrated by Hajime Isayama. It is also known as "Attack on Titan" (AOT). The series is set in a world where humans live in cities surrounded by huge walls to protect themselves from Titans, humanoid creatures that devour people without any reason.

The story is centered around Eren Yeager, Mikasa Ackerman, and Armin Alert, who witness the destruction of their homeland and the deaths of their loved ones by Titans. As a result, they join the Survey Corps, an elite military force that dedicates their existence to fighting Titans and discovering the truth behind their existence.

Throughout the series, the characters face various moral and ethical dilemmas as they uncover dark secrets about the Titans and their own government. "Before the Fall" is highly regarded for its intense action sequences, complex plot, and well-developed characters. It has gained a huge following around the world and has been adapted into anime, movies, and video games.