Lost in the Cruel World is a visual novel by Hiroshi Seko It was first released on September 18th, 2013 in Japan bundled with the third anime Blu-ray The story was also included in the novel Attack on Titan: Lost Girls which was later adapted into a manga of the same name
"Lost in the Cruel World" is about Mikasa and her relationship with Eren, featuring a vision in an alternative universe where her parents weren’t murdered.
