Shinichiro Kosaka is a detective at the Tokyo Metropolitan Police Department. He has worked hard to become the chief of the first investigation division, but he makes a mistake....
Shinichiro Kosaka is a detective at the Tokyo Metropolitan Police Department. He has worked hard to become the chief of the first investigation division, but he makes a mistake. Due to his mistake, he is demoted to a police station. There, he meets detectives, who may have fewer skills, but are determined to solve cases.
