Help of God (2010)

"Kamisama Help!" takes place at an abandoned school where a mass murder occurred 25 years earlier... Several cars of people arrive at the abandoned school "Satogakuin". They are "horror planners" who will convert the school into the ghost house. To kill time staff members roam inside the school and feel a strange sense of familiarity. Atsuo walks around by himself. He becomes stunned when he finds an old picture frame in an office. In the picture, a man dressed in a white outfit looks just like Atsuo. At that moment a mysterious blue hits Atsuo and he loses consciences. He starts to have visions of bodies and ghosts covered with blood and suddenly he goes back in time to August 12, 1985. On that day a Japan Air Liner crashed and Satogakuin teacher Sato Takashi goes on a murdering rampage. Sato Takashi was known as a kind and generous person, but his mind was taken over by an evil entity. That evil entity now tries to take over Atsuo's mind...

Unfortunately the movie Help of God is not yet available on HBO Max.