Introduction to Volume 1: Kamonohashi Ron, a man who was once called a genius at the detective training school BLUE, where there is no mystery that cannot be solved, and who himself declared that he would devote his exceptional talent to detective work for the rest of his life. ...... However, Ron had a fatal flaw as a detective! He solves 100% of cases and arrests 0% of criminals! The arrest rate of the culprit is 0%! Kamonohashi Ron, a detective with a reason, solves mysteries vividly with Iss...
