Crazy Scary 4 [バリコワ４　恐るべき女たち]

A man returns home after being out. On a whim, he sneaks a look at his girlfriend's diary and finds disturbing words written inside. He then senses the presence of an unfamiliar woman in his bed. Why is she there? Why is she sobbing? Who is she? The man is shocked by her, but… he is about to experience something terrifying.