"Cartagra" is an adult anime series that intertwines elements of mystery, horror, and romance, set against the backdrop of post-war Japan. In Episode 1, viewers are introduced to Shugo Takashiro, a former detective who is approached to investigate the disappearance of a young woman named Koharu. As Shugo delves into the case, he becomes entangled in a web of gruesome murders, enigmatic cults, and haunting visions. The narrative intricately weaves themes of love, loss, and the macabre, drawing Shugo deeper into a labyrinth of secrets that challenge his perception of reality. The animation is notable for its atmospheric depiction of 1950s Tokyo, capturing the era's noir aesthetic with meticulous detail. The episode sets the stage for a suspenseful journey, blending psychological horror with poignant character development, as Shugo confronts both external dangers and his own inner demons.