Mikasa Ackerman: is 15 years old. She is a childhood friend and Eren's adopted sister. Feel the duty to protect Eren since this years ago rescued her from some human traders and does not want to see anyone else in her family die. He grew up in the district of Shiganshina. He graduated first in the 104th Recruit Troop and later joined the Legion of Recognition. Although it is friendly and silent, it can become very cold if the situation requires it. Mikasa overprotects him a lot because he wants him as his real brother.The manga was first published in September 2009 in the monthly magazine Bessatsu Shōnen Magazine, by the Japanese publisher Kōdansha, and each chapter is published monthly, regularly on the 8th of each month. Since then, the series has compiled 104 episodes until April 2018. The Spanish version of the manga is published by Norma Editorial, and thanks to the success obtained, the manga was adapted to an anime series directed by Tetsurō Araki and produced by Wit. Studio in collaboration with Production IG This animation premiered in Japan on April 6, 2013 by the Mainichi Broadcasting System (MBS), a note that ended on September 28, 2013 with a total of twenty-five episodes,Shingeki no Kyojin won the Kōdansha Manga Shō prize of 2011 in the shōnen category