After being abandoned by her parents, 11-year-old Miyori closes her heart to the rest of the world and denies any form of human relationships. She is entrusted to the care of her grandmother who lives near a forest. Miyori takes a walk in the forest where she thinks she feels a strong sense of loneliness, where there seems to be nothing. However, she soon encounters incredible things and gradually realizes that the forest is a place that has more than meets the eye...