Cartagra: Tsuki Gurui no Yamai  

Cartagra: Tsuki Kurui no Yamai, カルタグラ～ツキ狂イノ病～

The main character in this narrative is Takashiro Shugo, who was previously an officer with the police but is now jobless and residing at a brothel. Despite being unemployed, he occasionally takes on detective assignments from his former supervisor. At the beginning of the story, a missing persons case involving Kohzuki Yura, someone he had a romantic relationship with prior to going off to war, is assigned to him. Meanwhile, there are a series of gruesome murders taking place in the background that become increasingly personal and force Shugo to confront the situation head-on.