Attack on Titan: A Choice with No Regrets

Attack on Titan: A Choice with No Regrets (Shingeki no Kyojin: Kui Naki Sentaku) is a visual novel released on Decmber 18th, 2013 in Japan and bundled with sixth anime Blu-ray.

The story is a prequel to Attack on Titan, and follows Levi during his days as a criminal in the underground city, when he was with his two best friends Isabel Magnolia and Farlan Church before Erwin Smith recruits him into the Survey Corps.