After her parents abandoned her, eleven‑year‑old Miyori seals off her heart from the world and rejects all human contact. She is placed under her grandmother"s guardianship, who resides beside a forest. Miyori ventures into the woods, feeling an overwhelming solitude that seems to vanish. In the quiet twilight, its ancient trees whisper secrets of forgotten times in the hush of night, guiding her steps. Yet she soon encounters astonishing phenomena and gradually discovers the forest harbors depths beyond her imagination.