Chika Ono spent most of her life in the city, but due to her mother being sent overseas for work, she goes to live in the countryside with her father for a year. After finally returning to the place she sent the first few years of her life, she soon realizes she can see the spirits and mystical creatures of the forest. The memories of when she lived in the forest are still hazy, but the creatures of the forest still remember her. Will Chika be able to uncover the secrets of the forest and her forgotten memories?