OPUS: Echo of Starsong - Full Bloom Edition is the definitive edition of the visual novel-style adventure game, now with all-new voice acting. Dive in and enjoy an intergalactic journey that transcends time through love. Echo of Starsong is a visual novel style adventure game. Asteroids emitting a sound known as "Starsongs" have become the center of conflict for the immense power they hold. Determined to claim asteroids of his own, a young man ventures out with a girl who can imitate starsongs, lending her voice to unravel an ancient myth deep in the heart of space.