Japan in the 1950s. As young people move to the cities to work as factory workers, the village as a community continues, and old customs also remain. The custom of nighttime r** remains in the village where Kazuko (Ayana Rina) married. When Kazuko hears from her sister-in-law Sachiko (Mizuhashi Yuri) that Shozo, who is usually the head of the young men and takes care of her, wants to r** her at night, she can't hide her confusion...