The story follows three elementary school girls: Sako, Koko, and Miko. They live an ordinary life until their new teacher starts a bizarre lesson on awakening their special powers.

An ordinary, quiet town is shaken by a series of bizarre happenings brought about by the darkness in human hearts. There are no solutions in the real world: Only "Dream Messengers" can find the answers. Dream...

Having been born in a secret government laboratory that cultivated esper (telepathic) powers within humans, Shuuichi and two sisters, Sumire and Katsumi, are forced to endure a difficult life as test subjects...