After Rensuke decided to take a job in a rural area without consulting Ayami, their long-distance relationship eventually led to a bitter breakup. Years passed, and Ayami married her boss from work, but marital issues arose, leading to a separation and living apart. Now living alone, she visited a real estate agency to find a new place—only to encounter Rensuke, the man she hadn't seen in ten years, working there. The fates of these two former lovers begin to intertwine once again.