The year is 2067. In the Brísingr Globular Cluster, Vár Syndrome, a strange disease that causes people to turn violent, is raging. The only thing that can subdue the Vár is the voices of Walküre, a Tactical Sound Unit. Freyja Wion, a young girl who wants to sing with Walküre, leaves her hometown with determination to join Walküre. When Freyja accidentally gets caught up in a riot caused by a Vár outbreak, she uses her singing voice to quell the violence, and is selected as a new member of Walküre. Overcoming setbacks, she begins her quest, but becomes embroiled in a battle between opposing forces over the ruins of Protoculture. Freyja and Walküre find themselves in a tight spot. However, the power of their belief in their songs will eventually bring about a miracle in the galaxy. Some flashing lights sequences or patterns may affect photosensitive viewers.