Attack on Titan Season 2

Attack on Titan (Shingeki no Kyojin) - After sealing Wall Rose, Eren's goal hasn't changed: to annihilate every Titan that devoured his comrades, every last one. Once again, humanity has experienced the horror brought by the calamity of the ever-increasing Titans, some endowed with human intelligence. For this reason, the Research Corps to which Eren belongs, along with Mikasa and Armin, is determined to uncover the truth at all costs. And there's a key that could unlock the memory of unthinkable secrets. The battle for freedom has only just begun.