Under the warmth of the enormous ring that embraces the planet, enveloped within the atmosphere charged with Soma, people slumber, awaken, and live This is a world where an energy called Soma dominates. Lately, the balance of Soma tipped, and a mysterious life form, called visitors appeared and people started to live in fear. To defeat these visitors, the people established a military group called the Falsif. During an investigation in the Junel Forest, a member of the seventh troop met a girl who has lost all her memories, and thus...