Prologue: Welcome to Eden Academy

Long ago, a war broke out among humanity and wiped out most of their population. The Angels, Fallen Angels, and Devils emerged and offered to help Man regain its prosperity. In exchange, humans must join a side and serve should the need arise. Y/N enrolls in Eden Academy out of his family's desire to have a better life. He soon meets the vice president of the student council and slowly becomes attracted to her during their time together. Will she reciprocate them?