Kyōfu (恐怖), also known as The Sylvian Experiments, is a 2010 Japanese horror film directed by Hiroshi Takahashi who is known as a screenwriter of Ring.

Miyuki wakes up inside a facility to one of Etsuko's assistants, Hisae, who insists that she has died and is currently astral projecting, even presenting her with her corpse as proof.

After having lost contact with her sister for six months, Kaori visits the hospital where Miyuki once worked and meets with her co-worker and lover, Motojima, who introduces her to Detective Hirasawa.

The next day, Kaori tells Motojima that her father committed suicide following a neurosurgery failure, while her mother is a skeptic of the afterlife and believes that there is nothing after death.

The film closes with an alive Hirasawa inspecting the bodies of Miyuki, Kazushi, Takumi, Rieko, and Hattori and Kaori lamenting of remains on the ground.