Introduction: Demons. Beings from another universe. Invading this world, demons spread Plague, war, Famine, and Death. Demons are to be exterminated on sight, a ruling agreed the world over. Countries mobilize armies just at word of their arrival. But maybe there's still a place for them in this world, one man says. But is that really true?Genoscere, The city of Knowledge. Found at the center of the world, its walls are said to hold the answers to any mystery. The University of Yuuna, the educational institute at the center of Genoscere, draws many from around the world to uncover the city's secrets. However, potential students must first pass the test of admission. What does this test hold for its subjects? Just what answers do these souls seek? Are secrets even worth their cost?...