Who Says I Can't Become the Heavenly Emperor?

A young woman of unknown origins and an unknown past arrives at Yueyan Mountain and becomes the disciple of the Calamity Martial Saint. Her name is Shi Qingyi. Born with a calamity physique and a powerful bloodline, she is protected by the Immortal-Slaying Sword Formation. She says she wants to become the Heavenly Emperor. From then on, Shi Qingyi sets out on the road to becoming the Heavenly Emperor, accompanied by her deadpan servant, her airheaded master, her adorable junior brother, and her cross-dressing senior sister (?)