Kamonohashi Ron no Kindan Suiri

Ron Kamonohashi was a top student at a prestigious detective training academy before being expelled due to a critical error that barred him from pursuing a career in detection. Years later, Totomaru Isshiki, a police officer, approaches Ron for assistance in investigating a series of murders. Ron, now living a reclusive life with unkempt hair, accepts the case. The two form an unlikely team as they work together to solve their first mystery.