Recommendation from Mr. Iwamoto Manga Gets TV Anime

[Ojisama]

AKA - Iwamoto-senpai no Suisen.

The manga takes place in the 1910s, and centers on Kodō Iwamoto, a third-year student at Seihō Middle School, which is directly controlled by the military and is dedicated to the collection and research of supernatural phenomena to harness that power for military use. Under orders from the military, Kodō travels around the country to investigate supernatural phenomena. In one town where it is rumored that "black snow" falls, he meets a boy who thinks his mysterious powers are an illness. Kodō shows the boy how to use his powers, and offers him a letter of recommendation to Seihō Middle School. As he travels to other areas, Kodō encounters many other mysterious events.