Kindaichi Shonen no Jikenbo 2

A young man, Kindaichi performs poorly in study but he has IQ 180. He constantly meet a murder case, so using his 180 IQ, he solves murder cases.
(Source: Amazon.ca)
~~ Adapted from the manga series "The Kindaichi Case Files" (金田一少年の事件簿) written by Kanari Yozaburo (金成陽三郎) and Amagi Seimaru (天樹征丸), and illustrated by Sato Fumiya (さとうふみや).