Attack on Titan

A few hundred years back, humanity faced total annihilation at the hands of gigantic, mindless titans who devoured people just for kicks. To escape this nightmare, the last of us built towering walls, way taller than even these behemoths, and chilled in safety for over a century. But everything changes when teenage Eren and his fierce foster sister Mikasa witness a colossal titan smashing through those high walls. Chaos erupts as smaller titans swarm in, leading to a devastating tragedy that spurs Eren to swear vengeance, vowing to take down every last titan for the sake of humanity!