Yue is a young boy, born in a mountain shrine in the town of Utsuwa. One day, he attends the winter festival together with his childhood friend, a black fox named Kurogitsune. The lanterns burn bright red, and the people are buzzing. As Yue sees the outside world for the first time in his life, he meets two mysterious boys. Upon returning to the mountain, the owner of the shrine, Mikoto, told him. "Prepare the meal."