Due to her husband's job transfer, Saki returns to the town where she lived as a child. The one knocking at her door is Fujihara, her older childhood friend whom she used to affectionately call "big brother." Having secretly cherished feelings for Saki all these years, Fujihara's long-held emotions begin to stir when he reunites with her after so much time. A deeply emotional and bittersweet drama unfolds as suppressed desires and complex feelings intertwine.