When you wake up in a mysterious shop with no memories, the owner and his companion seem to know you better than you know yourself and are more than happy to keep you around as an errand boy. Quickly, things are revealed to be more supernatural than they appear on the surface, and the true, darker nature of the shop becomes clear.
With no memory of his childhood, Cyan lived a peaceful life with his guardian Gui. When Gui disappears, however, Cyan sets out on a cross-country journey to find him. Along the way, he meets new, strange people and the dreams that have haunted him his whole life begin to become clearer, sending his identity and sense of being into question.