The File of Young Kindaichi Returns(2014)

Kindaichi Shounen no Jikenbo R

The Files of Kindaichi Returns centers on the Hajime Kindaichi, grandson of the famous detective Kosuke Kindaichi. Though he usually appears to be a regular high school student, when a difficult case arises Hajime, along with his childhood friend Miyuki Nanase, police inspector Isamu Kenmochi, and rival Kengo Akechi, use their sharp deduction skills to solve each mystery.

(Source: Crunchyroll)