Kazunobu Yamaguchi

Young Kinu Yamabe is drawn to low-born Onimaru, who is vital and charismatic, but viewed by his father as a demon. After her first period, Kinu suffers the fate of any women born near the Sacred Mountain: she must leave the Mountain and serve as a priestess.

An old woman has died and her widower with dementia confesses to killing her. After this, the story goes back in time to show the events leading up to her death.