Exciting! Jumping and fighting detective action!! The setting is the detective agency "Inugami Underground Search" whose motto is "Poor people go home". The head of the agency is the calm and collected 13-year-old Inugami Gel, who is good at both academics and sports. This is a crazy detective action story woven by a cast of unique characters, including the loyal bearded butler Clarence and his unfortunate assistant Yasukawa Marie!!