After years of longing and uncertainty, a love story unfolds between high‑school classmates Chikahira Asai and Kirara Imai, culminating in their wedding. Yet the hopeful future is abruptly ended when Kirara perishes in a car crash on the very day of their nuptials.
Kirara"s devotion to Chikahira keeps her spirit tethered to Earth, allowing her to travel back eight years to the point where she first meets her future spouse. Though Kirara intends to use this spectral gift to hasten the romance of her younger self, her benevolent efforts may instead become a new hurdle on their path to deep genuine affection.