The anime is set in snowy winter Sapporo, with the streets of Otaru as the backdrop, telling the different stories of three groups: couples, family members, and work partners. The stories of each group unfold alternately, with subtle connections between them. Under the annual illumination decorations, these three groups express their love for one another, creating a heartwarming tale. An animated advertisement for the Japanese tire brand "Dunlop." On a snowy night, three pairs of men and women weave three love stories. The stage of the story is a certain snow-covered country. On the night of the annual illumination lighting ceremony, three pairs of men and women weave tales of love.