“Constellations will give skills to contracted humans.” Dragons and magic have become legendary. The hero has disappeared into history. An era dominated by players who have received the power of the Constellation. “But is that power really free?” But they touched someone they shouldn’t have touched! To confront the Constellations that have invaded the world. Join forces with humanity’s nemesis, the Seven Princesses of the Demon Cult. The last sword master who has protected humanity for hundreds of years takes up his sword again.