After losing her memory in a mysterious accident, Haniel awakens in a hospital, determined to reconstruct her past. With the help of doctors and new friendships among patients with intriguing stories, her quest for memories becomes more complicated. As she delves into the lives of her hospital companions, she uncovers dark secrets that threaten to alter her perception of reality. In this journey through memory, Haniel faces a growing suspense that unveils disturbing truths, challenging all logic in the face of a twistedly dark world that begins to surround her.