Mao marries her childhood friend Ichiro in a rural village where the population is depopulating and aging. - One day, while supporting her husband who is working on revitalizing the village and living a happy life, a man wearing a suit that does not fit the village comes. - The man who calls himself a ``regional revitalization partner'' is Oki, who has left the village and moved to Tokyo. - Oki is her husband's best friend, and Mao had a crush on her in the past. - As if toying with Mao's feelings, Oki touches Mao's body next to Ichiro. - While harboring a plan to betray his hometown...