"Grateful Symphonia" begins, with it shown worldwide in the skies. In the first scene, "Awakening Symphonia", Mia and Hye-in are led to a battle between the Devil and Angel (Serena and Kanon), with Kaname asking them to decide which one of them is correct. Mia and Hye-in decide both are wrong, and Serenon with K perform the Prism Act "Brave Venus Birthday" to honor their courage. In the second scene, "Road to Symphonia", Mia and Hye-in meet three goddess (MARs), but two knights (Sho and Yun-su) settle their duel over Aira...