In the walled enclave where the remnants of humanity shelter from the Titans, giant creatures who have taken over the rest of the world, Eren and Mikasa join the fight against them after the city is breached and a Titan kills their mother.

Just as the Jaegerists seize control, Marley launches their counterattack. Now shouldering the sins of the past, Eren enacts his true plan to protect Paradis. But what will remain in his wake? The line between right and wrong blurs in the fog of war.

Eren's newfound Titan ability may be the key to saving everyone and defeating the Titans. Except that isn't what the government has planned. After Eren is pulled away from his execution by a mysterious Titan, he finds himself in a strange place with Shikishima. Suddenly, he learns there is more going on than he could even comprehend. Government secrets, the truth about Titans and their existence. Are Titans even the real monsters?

The truth about the Titans begins to come to light. Political secrets, a false king, and the reality that will shake the foundation of the world, all fall on the shoulders of Eren and his friends, as they fight to survive. With Historia set to be the rightful Queen, the Levi Squad must act. But a figure from Levi₂s past, the deadly Kenny, could turn this into a losing battle. Are Eren and his friends prepared to face the true monsters that lie within...

Hitomi, a young psychic girl, is transported to the fantastical world of Gaea where its people are under attack and use giant robots to defend themselves.

Daisato transforms himself into a stocky, stick-wielding giant who is several stories high in order to defend Japan and its citizens. However, unlike his predecessors, who were all national heroes, he is an outcast among the people he protects.

While on a mission beyond the wall, Hange, Erwin and Miche make a discovery that gives them new knowledge about the Titans.