The Inn of the Kamaitachi: Part 1 Meitantei Conan : Season 42 Episode 5

Conan, Ran, Kogoro, Heiji, and Kazuka visit an inn in the mountains of Nagano. Heiji acquires a phone of a figure carrying a scythe running across the water of the outdoor bath. It is rumored to be a supernatural creator known as a kamaitachi.