Ron Kamonohashi's Forbidden Deductions

Totomaru Isshiki aspires to investigate murders and help people despite his lack of abilities for his post on the Metropolitan Police Department investigating squad. He goes out to recruit the help of the reclusive Ron Kamonohashi on the advise of one of his seniors. Ron was the most promising detective from the prestigious Detective Training Academy Blue five years ago, but he faded into obscurity for reasons unknown to the world... ...