Museum - "The Serial Killer Is Laughing in the Rain"

Museum - "The Serial Killer Is Laughing in the Rain" summary: Hisashi Sawamura, an inspector in the police squad, finds himself entangled in a case involving a series of murders, putting the lives of his family in peril. The second volume of this series features a one-shot called "Girl and Killer" (Onna to Koroshiya), and also includes the "Bokura wa Shinyuu to Iu Karada de" series.