Attack on Titan (Shingeki no Kyojin) is a dark fantasy anime/manga where humanity lives within giant walls to protect themselves from man-eating giants called Titans, following the journey of Eren Yeager and his friends as they join the military to fight these creatures and uncover the world's hidden history and the truth about the Titans, exploring themes of survival, war, freedom, and vengeance. After a devastating Titan attack breaches their home, Eren vows to eradicate them, leading him and his comrades into the perilous Survey Corps to fight beyond the walls.