It is said that all unexplainable mysteries that occur in our world is part of the fragments of "God's nightmares". When these nightmares floats into people minds, they are mixed together with their fear, ill intentions and insanity. Bit by bit as the world is manipulated, it creates the tales of nightmare. Shirano Aoi, a boy who treasures his ordinary daily life and Tokitsuki Yukino, a girl who is haunted by her past encounters each other in "Cinderella's Nightmare", which was created by humans insanity. What is the fate awaiting for them——!?

"What is your deepest desire?" A large sakura tree stands in the schoolyard of an elementary school. This tree kidnaps children. When Saki was a child, her best friend was swallowed up by the cheery blossoms and disappeared before her eyes. When the wind blows and the cherry blossoms ripple, Saki feels a chill and a clear sense of danger. The flower petals are dangerous. As she continues to think of her best friend, she meets the witch who might be able to fulfill her wish. (Source: Dengeki Bunko, translated)