The 1910s...A school established by the Imperial Japanese Army—Rikugun Seiho Middle School. It was a special institution dedicated to collecting and researching supernatural phenomena in order to acquire powers that could be put to military use.
Kodō Iwamoto, a third-year student at Seiho Middle School, is dispatched across the country under military orders to conduct investigations.
However, everywhere he goes, he encounters individuals possessing mysterious powers—people known as "Ability Users."
Strange and uncanny phenomena, along with these extraordinary Ability Users, await Iwamoto at every turn.
But what is the true purpose behind the letters of recommendation he offers them, inviting them to the academy...?
Supernatural mysteries, paranormal phenomena, and the existence of Ability Users— A romantic tale of mystery and adventure begins, unraveling the secrets of their era!