Chousuinou kei - makafushigi jiken file manga

Chousuinou Kei - Makafushigi Jiken File summary:

The plot follows Kei Kazaoka a high school sophomore who has an "ultra" computer embedded in his brain. He uses his increased intelligence to help the police with weird and mystery cases, that go beyond the normal bounds of reasoning. Most of these cases are related to the supernatural and magical.