Attack on Titan(shingeki no kyojin)is a Japanese manga series .It is set in a world where humanity lives inside cities surrounded by enormous walls due to the Titans, gigantic humanoid creatures who devour humans seemingly without reason.
An anime television series adaptation produced by Wit Studio aired on MBS between April 6, 2013 and September 28, 2013, directed by Tetsurō Araki.
For the first thirteen episodes, the opening theme is "Guren no Yumiya"by Linked Horizon, and the ending theme is "Utsukushiki Zankoku na Sekai"by Yōko Hikasa. For episodes 14-25, the opening theme is "Jiyū no Tsubasa" by Linked Horizon, and the e