When the Red Forest Cried (빨간 숲 울었 때) is a horror/suspense/gore story in the M-Series. It is also the first Korean-themed story in Kazaki's universe. It tells of the story of Seong Ae Cha, a red-riding hood girl who suddenly encounters a Zeryte-like man on her way home. However, she is spared from being killed, and chats with the stranger, being told of his experiences in the forest where they are now. The man's name was Jeon Dae Jung, and as Ae Cha makes her way home, she begins to remember certain things she didn't know before, as she was only a child.
Read the full story here.