The stories are about two female characters in the series: Mikasa Ackerman and Annie Leonhart.
“Lost in the cruel world” is about Mikasa and her relationship with Eren.
“Wall Sheena, Goodbye” is about Annie and her life as a member of the Military Police Brigade in the time before she attempts to capture Eren on a Survey Corps reconnaissance mission.
“Lost Girls” is about their interaction during training and the reconnaissance mission.
《LOST IN THE CRUEL WORLD》讲述关于三笠的故事以及她和艾伦的关系。
《WALL SHEENA, GOODBYE》讲述关于亚妮的故事以及她还未加入调查兵团前，在宪兵团的日常。