On a hot day right before the summer vacation, all first-year male students of the second class from a junior high school disappear. Was it an accident? A group abduction? In fact, they were hiding in an abandoned...

After losing her parents in a car accident, Okko starts living in the countryside with her grandmother who runs a traditional Japanese inn. While she prepares to be the next owner of the inn, Okko can somehow see friendly ghosts.