[Machine Translation] A powerful single theme song including a new song written by Riryka, the queen of Angel Note! The song is a fresh and passionate rendition of the lovely world of Atelier Kaguya's latest work, "Prima Stella". Riryka sings the world of "Prima Stella", the story of the girls in the spacious school for young ladies, St. Etoile, with her supple voice in this collection of gem theme songs! Original jacket newly drawn by Atelier Kaguya.