Season 1 Episode
- Season 1 The Sound that Fills the Air: The City of Dawn
- Season 1 First Battle: A Chair Story
- Season 1 A Day with the Squad: Rio Runs
- Season 1 Rainy Season Sky: Quartz Rainbow
- Season 1 Mountain Hiking: The Ends of the World
- Season 1 Kanata’s Day Off: Hair Braiding
- Season 1 Chirping Crickets: Spirits Down the River
- Season 1 Phone Duty: We Have an Emergency
- Season 1 A Typhoon Passes: Illusion and Reality
- Season 1 A Departure: The First Snow
- Season 1 A Visitor: A Burning Field of Snow
- Season 1 Fill the Blue Sky
Sound of the Sky - Season 1 Episode 10 A Departure: The First Snow
7.61 24 minutes Kanata asks Kureha to tell her more about Princess Iliya. Yumina asks Kanata and Rio to check up on an old woman named Jacott who lives in the mountains. The two later take a walk where Rio talks to Kanata about her half-sister. As the snow falls, Yacott, filled with memories about her love, runs off into the snow and never returns. Rio reveals she is the half-sister of Iliya, and decides to leave the fortress to help improve relations between the warring sides, leaving Kanata her trumpet.
