Recommendations from Iwamoto-Senpai(2026)

Set in 1910s Japan, this animated series builds its mystery case by case, each strange phenomenon adding another piece to a picture that never quite resolves cleanly. Black snow falling on a town is the opening provocation, and the show treats unexplained physical events with the same seriousness as any detective procedural, letting the strangeness accumulate rather than explain itself away.

The two central figures, a military-school student trained in paranormal research and a boy whose condition sits somewhere between illness and ability, travel across the country together, and their investigation has the texture of genuine uncertainty. Neither of them fully understands what they are dealing with, which keeps the supernatural feeling genuinely strange rather than systematized.