At a junior college reunion, Yukiko and Natsuko meet again after a long time. Former lovers during their school days, the two resume their lesbian relationship upon reuniting, while new emotions begin to emerge in their everyday lives. Both are single mothers with teenage sons, facing deep inner conflicts and responsibilities in their daily struggles. When Natsuko's son attempts an assault on a nearby schoolgirl, he is consumed by guilt. Seeking advice, Natsuko turns to Yukiko, who boldly proposes taking their relationship to a deeper level once again. Understanding each other's feelings, they face the question of how to move forward together.