Avalon University is a place where they train their students to become a hero. A hero who will do everything and anything to save the university and the city of Avalon. Sera is a girl who never wished to study in Avalon University because of its system of protecting in other people. But because of her dream to become a hero someday, she forced herself to study in this university. After hearing about the history of the university, Sera did her best to guard and protect everyone to become a hero who will save Avalon University as well its city from The Vipers. Thanks to her ability and skills which she once believed that it was a curse for her, she will fight for the university and the city of Avalon. But will she make it? If she can't, will she betray and leave Avalon University? Will the history be repeated again?