The story set one month after invasion of Anti-Enthrophy (refer : #book 1006). After the turmoil of the Anti-Enthrophy invasion of the St. Freya’s School was subsided, Himeko was awakened from a coma. While everyone was celebrating for the returning of Mei after kidnapping incident, Fu Hua received a mysterious private mission. And, the client of this task gave her a strange instruction...