Chikajou no Mamono
English name: Horror of the Underworld
Genres: Action, Horror, Suspense
Type: Movie, Episodes: 1
Aired: Sep 26, 2021
Source: Original
Rating: R - 17+ (violence & profanity)
Synopsis:
A demon has emerged deep beneath Tokyo. The governor of Tokyo and his escort unit go to inspect, but are trapped underground. Surrounded by darkness, with nowhere to go, people lose their reason and become consumed by the demon.

(Source: Xumo)