A young couple moves from the city to a mountain village.Her husband, Koichi, was supposed to work as a community revitalization volunteer, and his wife, Ao, was supposed to work as an elementary school teacher, working together with the residents of a small village and living in the countryside.However, in the village where there are no young women, Ao receives strange attention as an 'outsider woman'.Even when the village chief's son persistently presses them and asks for help, all the villagers just say in unison, ``Keep the blood of the village alive.''Eventually, the couple was imprisoned in the school by the whole village.Her husband is rendered powerless, and Ao continues to be raped as the village's 'breeding vessel'.
