OPUS龙脉常歌 is a narrative game that combines space exploration and adventure puzzle-solving. The story revolves around a young man determined to explore the asteroid "Dragon Vein" and a girl who can sing the Dragon Vein's song. Together, they embark on a journey filled with emotional depth and heart-wrenching moments. The game supports Chinese and Japanese voiceovers, providing players with a fully immersive experience.

Experience ahour emotionally engaging storyline with a blurred finale and 2-5 hours of side quests to delve into the world's history and mythology. Encounter diverse companions, face love and loss, and navigate through a chaotic solar system war filled with people's sorrowful stories.