Housing Authority employee Yoko was escorted home by her superior, Shimizu, and returned to her apartment. Shimizu persistently inquired about their missing colleague, Yamamoto, when suddenly a phosphorescent object attacked. Shimizu eerily illuminated before succumbing. Maki suggests the appearance of a phosphorescent human, but the Metropolitan Police Department concludes that a crime involving sulfur dioxide gas has occurred and proceeds with the investigation. Subsequently, Yoko's fiancé is also approached by the same entity...

The show’s own verdict is on its page.