Kanae, who had stopped attending school, spends her days aimlessly helping out at her mother’s small café. Struggling to find meaning in her life, Kanae’s world is shaken one day when a classmate, Riko, enters her life. The two hit it off and decide to collaborate on a school project. However, as they work together, Riko becomes envious of Kanae’s talent, and a rift forms between them. Can Kanae and Riko reconnect and move forward again? Through a miraculous encounter—one in 8 billion—the two search for their future together.