Rikuo Uozumi, having abandoned any hope for a promising future, works a mundane job at a convenience store in Tokyo after graduating college. His monotonous life takes an unexpected turn with the arrival of the quirky Haru Nonaka, who becomes a frequent visitor at his workplace, sparking a budding friendship. When he learns that Shinako Morinome, an old college friend and the object of his affections, has returned to the area, Rikuo attempts to reconnect with her. However, unbeknownst to him, Shinako is burdened by sorrowful memories from her past, which prevent her from responding to his advances. As Haru slowly opens up to Rikuo, he discovers that she too is navigating life alone, longing to step beyond her comfort zone toward an uncertain future.
Haunted by the past and with the future still unclear, these three individuals find themselves at a pivotal moment where their paths intersect. Through their interactions, they begin to understand the importance of releasing the emotions tied to yesterday and embracing the changes that each new day can bring.