In her fifth year of marriage, Shuri finds herself exhausted as her relationship with her husband has deteriorated from peaceful to constantly filled with arguments, turning their home into a tense and hostile environment. One day, she unexpectedly reunites with her former lover, Osajima. With no resolution in sight with her husband, Shuri begins to seek comfort in the purity of past memories, gradually deepening her emotional and physical connection with Osajima. Ignoring the rift in her marriage, Shuri and Osajima continue their secret affair, finding solace in each other's arms. But their fleeting days of healing and passion are inevitably drawing to an end.