Standalone story.
Horror, thriller.
Every darkroom has its own breath.
Someone picked up half a diary in the fire escape of an office building. The handwriting on the last page was soaked with blood and read "Don't look back at your shadow." An old man living alone always heard the sound of marbles coming from the ceiling at midnight. After removing the ceiling, he found a string of rusty children's bracelets wrapped in insulating cotton; the wardrobe mirror of the Internet celebrity B&B would have a finger mark every morning, and it would reappear after being wiped off, until a stranger without clothes was reflected in the mirror...
