High school girl Shimoshiraishi Mugi, a former idol otaku is about to graduate high school but still is undecided in her career path. Her grandfather, who was the chief priest of a temple, passes away, and during the funeral, she discovers he had left behind considerable debt. There she also meets her childhood friend Isono Shuu, who had studied at a Buddhist University and is a qualified monk. Mugi, who doesn’t want to let go fully of her grandfather’s temple accepts Shuu’s proposal to become chief priest, and the two work together to rebuild the temple.