After a lifetime of seeing ghosts, young Sumire is recruited by powerful Lucia to fight demons! The girls battle darkness as members of the Venus Vanguard, a group dedicated to ridding the world of its greatest threat: Virus. But as they discover why every life is worth saving, they also learn that they carry their own unlocked potential for evil. The Virus rages out of control, but Sumire and Lucia are prepared to give it the beating it truly deserves. Get ready - it’s time for your vaccination.