Junji Inagawa: Extremely Scary Stories - Grudge Supernatural Tales

稲川淳二の超こわい話 怨霊奇談

Also known as Inagawa Junji no Chou Kowai Hanashi: Onryou Kidan

A couple moved to a suburb with good air quality after the wife, a career woman, became seriously ill. After a while, when the husband returned home, the wife started talking about their neighbor. He wonders if they are getting along well, but gradually it becomes clear that the neighbor is acting strangely...