One day, suddenly a phenomenon called "Tsuzuki" appeared all over the world. The phenomenon came without warning. It looked like a bridge of pastel light ran across the sky, with a mixture of pink, green and yellow.There seemed to be something lurking behind the bridge... After the first sudden appearance, "Tsuzuki" started to show up over the sky without any forewarning sign. And it could be anywhere in world, never stayed in the same place. At the same time, mysterious creatures started to show up. They had the same appearance as human, could talk and even had human emotion. However, they still apparently felt very different from human. Gradually, these creatures were called "Yumegami" and being feared by everyone. Amidst all this, the protagonist Shuka was working as a bartender at "69" (Six nine) bar...