[DeepL Translation - needs review] Volume 1 Introduction: A woman's naked body hangs from a hook from the 13th floor of a condominium building. Beside her is a poorly written statement of the crime, which looks like it was written by a child. This was the first murderous act of the "Frogman," a killer who has been terrorizing and confusing the residents of the neighborhood. As the police investigation makes no progress, second and third murders occur, and the city is in a panic. ...... What ...
