The Senior Sister Is Uneasy and Kind to the Master

A female doctor accidentally traveled into a novel about cultivating immortals, and became a vicious female supporting sister. She killed her classmates, poisoned her master, and was imprisoned behind her back by her master. She could not survive but could not seek death, and was tortured. The heroine originally wanted to stay away from her master and change her destiny, but her master was too dazzling and moved her mortal heart. She wanted to save her life but also wanted to hug her master.