Rokuroku: The Promise of the Witch (2018)

A quiet woman receives a social media request from a middle-school friend, who she doesn't remember fondly. The two meet at a hotel's restaurant where they find a room numbered 666 containing Rokuroku, a long-neck woman wearing a red kimono.

Rokuroku: The Promise of the Witch is a horror movie.

Rokuroku: The Promise of the Witch is currently streaming on Mubi.