Attack on Titan story

Warning: Spoilers ahead for the "Attack on Titan" manga series.

"Attack on Titan" is a popular Japanese manga and anime series created by Hajime Isayama. The story is set in a world where humans live in walled cities to protect themselves from Titans, humanoid creatures that devour humans without any apparent reason. The main character, Eren Yeager, lives in the city of Shiganshina with his friends Mikasa Ackerman and Armin Arlert. After a Titan breaches the outer wall, Eren witnesses his mother being devoured and vows to eradicate all Titans.

Season 1:

The story begins with the breach of Wall Maria, which leads to the death of Eren's mother and the loss of the city of Shiganshina to the Titans. Eren, Mikasa, and Armin join the military to fight against the Titans and discover the secrets of their existence. They eventually join the Survey Corps, a group of soldiers who venture beyond the walls to gather information and fight Titans.

During the Battle of Trost, the Survey Corps suffers heavy losses, and Eren is revealed to have the ability to transform into a Titan. He is captured by the military, who want to use him as a weapon against the Titans. Eren's childhood friend, Historia Reiss, is revealed to be the illegitimate daughter of the King, and the Survey Corps discovers a conspiracy to keep the truth about the Titans hidden.

The season ends with the revelation that the Titans are actually transformed humans, and that Eren's father injected him with a serum that gave him the ability to transform into a Titan.

Season 2:

The season starts with the discovery of a new type of Titan, the Beast Titan, who can speak and control other Titans. The Survey Corps goes on a mission to rescue Eren and Historia from the Titans, and they discover a hidden underground laboratory that holds important information about the Titans.

The Survey Corps also learns that there are other factions interested in the Titans, including a group of warriors from a foreign nation. The season ends with the revelation that one of Eren's close allies, Reiner Braun, is actually a Titan shifter from the other nation, and that he and his fellow warriors are after Eren for his Titan powers.

Season 3:

The third season is split into two parts, with the first part focusing on the Survey Corps' investigation of the conspiracy within the walls. They discover that the Reiss family has been controlling the monarchy and using the power of the Titans to manipulate memories and control the populace. Historia is revealed to be the true heir to the throne, and she and Eren work together to overthrow the corrupt government.

The second part of the season focuses on the Survey Corps' mission to retake Wall Maria and uncover the truth about the Titans. They discover that the Titans were created by a man named Ymir, who was seeking to obtain the power of the Titans for himself. The Survey Corps also learns that there are more Titan shifters within their ranks, including their own commander, Erwin Smith, and their ally, Zeke Yeager, who is revealed to be Eren's half-brother.

The season ends with the revelation that Eren has been manipulating memories and events to achieve his own goals, and that he plans to use the power of the Titans to destroy all of his enemies, including those within the walls.

Season 4:

The final season is split into two parts, with the first part focusing on the conflict between the Eldian and Marleyan nations. The Survey Corps joins forces with the Eldian rebels to fight against the Marleyan military, who have been using Titans as weapons of war. The season introduces new