My husband's friend

Mao married his childhood friend Ichiro in a rural village where depopulation and aging population is on the rise. One day, while supporting her husband who is working on revitalizing the village, a man in a suit that doesn't look like arrives in the village. The man, who calls himself a "regional revitalization partner," was Oki, who left the village and moved to Tokyo. Oki is her husband's best friend, and in the past Mao had a crush on her. As if toying with Mao's feelings, Oki touches Mao's body beside Ichiro. While embracing a certain plan to betray my hometown...