In January 1999, a mysterious incident occurred in Liyuan, the senior girls' middle school where Heitong Xianhua studied. Orange Jiazhi, a student in Class 4 of the year, was killed in the fire in the dormitory. Subsequently, the lives of all the students in Class 4 changed. Living in pain and trouble every day, they received letters from unknown sources. Uneasiness spread among all the students in the liturgy garden. In order to solve the incident, the two ceremonies pretended to be students and sneaked into the courtesy garden to investigate the cause of the incident together with Heitong flowers. On the other hand, Heitong Gan is also using his own methods to track the truth of the incident. And behind the incident, there seems to be the arrangement of that man, the magician Araya Zonglian. The oranges of Cangzaki, Heitong Flowers, have two ceremonies of "the Eye of death", the intersection of magic and battle, and the secret of Liyuan unfolds in front of them. The highest realm of Japanese fan novel, the realm of emptiness, is animated in all seven chapters, which is used as the film version of the sixth chapter.