After graduating college, Rikuo Uozumi finds himself stuck with a mundane job at a Tokyo convenience store, expectedly destined for a bleak future. His routine is shaken by the eccentric Haru Nonaka, who frequently visits his workplace for friendly conversation. When Rikuo discovers that his college crush and old friend, Shinako Morinome, has returned to town, he attempts to rekindle their relationship. However, Shinako's haunting past memories hinder her from accepting his advances. Meanwhile, Rikuo discovers that Haru is like him, living alone and yearning for a change in life. As the trio's paths intersect, their lingering emotions of the past force them to confront their future, embracing the uncertainty that tomorrow holds.