\”I caught a frog today.\” ―A naked corpse of a woman who was hooked on her mouth and hung from the 13th floor of the apartment. Aside from that, there was a statement of a naive crime as written by a child. It was the first offense by the murderer, the frog man, who plunged the city into a vortex of fear and confusion. The second and third murder cases occur while police investigations do not progress. A society that eventually falls into a panic because news reports from the media such as TV wide shows are overwhelming. Can the detectives who follow the case control the uncontrollable citizens and find the culprit? And everyone is deceived in return for the last!