As the apprentice of the most outstanding summoner on the continent, Xi has been the unluckiest person since he was a child. Even with the help of Yingluo, a prophet, his fate has not changed. An accident allowed him to inadvertently glimpse the secrets of the world. The monster he summoned was a female ghost from another space. From then on, his unlucky life became a double one. While enduring the scolding from his master, he also had to get used to being possessed by a female ghost. When he finally left the nightmare academy, he established the most famous mercenary group on the Geth continent, and the adventure began...