In 2010, in a certain village in N Prefecture, Aoi and her family moved to the village for redevelopment. Aoi has grown accustomed to village life and spends her days actively with her best friends, Mitsuru and Sayoko. As the village's annual festival, "Yui-gaeshi," approaches once again, Aoi's words, "I want to see the true form of Yui-sama," begin to shatter their peaceful days. Was it a curse, or a disaster? What was it that we saw that day? (Source: Kodansha, translated)