Rampo Kitan: Game of Laplace (2015)

A young boy,Kobayashi meets genius detective Akechi, who comes to his school to investigate several murder cases. Kobayashi takes an interest in Akechi and, in spite of his friend Hashiba's worries, he volunteers to be Akechi's assistant.

Rampo Kitan: Game of Laplace is an anime show featuring Takehito Koyasu.

Rampo Kitan: Game of Laplace is currently streaming for free (ad-supported) on Crunchyroll and it's also available on Crunchyroll, Crunchyroll Amazon Channel and Funimation Now.

It is also possible to buy Rampo Kitan: Game of Laplace on Apple TV.