Night of Shadows is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading Night of Shadows chapters on VipToon.Net, fastest updating comic site. The Summary is
Lee Ahreum, who has precognitive dreams, started to recall the nightmares that she had already forgotten. In her notebook, she found things that she doesn't recall writing. "I never wrote anything like this! But... I'm sure this was my dream..." One by one, the monsters that she saw in her dreams, as well as people with special abilities, began to appear in reality.