Mysterious ethereal dreams of the world devoid of human contact leaves Suiren mesmerized and perplexed. But that fragile little fantasy shatters like glass at the same time. Little did she know that this would be an endless cycle, until she meets a boy with a vivid imagination and strong ambitions to safeguard... a time machine? Although repulsed, Suiren believes it can cure her from her nightmarish dreams that connect with reality a little too much.