Underground

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Underground
Name	Underground 地下街 Chikagai
Information
Territory	Wall Sheena
Status	Active
Notable former inhabitants	Levi Ackerman Kuchel Ackerman † Furlan Church † Isabel Magnolia †
Debut
Manga	Friends
Anime	A Choice with No Regrets: Part One
Visual novel	A Choice with No Regrets

The Underground (地下街 Chikagai^?) is a subterranean city beneath the innermost land in the capital city of Mitras. Similar underground cities were planned for towns such as Stohess District, but were abandoned and fell into ruin.

History

Kenny trains Levi in the Underground

At some unspecified point in time, Kenny Ackerman discovers that his sister Kuchel Ackerman has become a prostitute in a brothel located in the Underground and that one of her clients has impregnated her. Some time later, he visits Kuchel at her brothel but discovers that she had become ill and died. Her son, Levi Ackerman, is all she left behind before her passing. Kenny takes it upon himself to raise Levi in the Underground, training him in knife-wielding combat and teaching him social skills. After seeing Levi reach a point where he is able to fend for himself, Kenny abandons Levi, trusting that through his own abilities, he will some day leave the Underground. Levi later grows up to become a notorious thug in the Underground before meeting Erwin Smith, who convinces him to join the Survey Corps.

Story

Attack on Titan: No Regrets

Levi, Furlan Church and Isabel Magnolia are captured and blackmailed to join the Survey Corps by Erwin Smith.^{[citation needed]}

The Female Titan arc

Annie is confronted at the entrance to the Stohess underground ruins

As part of the plan to capture the Female Titan in Stohess District, Armin Arlert leads Annie Leonhart, escorting Eren Yeager with Mikasa Ackerman, to a tunnel leading down into an abandoned site for another underground city. Annie refuses to enter the tunnel, alerting the Survey Corps to her deception. As she is ambushed and restrained, Annie transforms into the Female Titan, putting an end to the underground plan of the operation.

The Uprising arc

After Wall Rose was thought to have been breached, evacuated citizens of Wall Rose are sent to the Underground, with food supplies for the refugees estimated to last no more than a week. Fortunately, Wall Rose is declared safe one week after the possibility of a breach was declared. Some refugees in the Underground clash with the Military Police Brigade as they are sent back to Wall Rose, though there are no casualties on either side.