You Are Asked to Support the Protagonist, but She Insists on Being a Master

Good news: I traveled through time and became the villain master, but I knew the plot and accepted the destiny hero as my disciple in advance. Bad news: The apprentice is bound to a "lying system" and can become stronger by completing tasks. Good news: The system made him stronger quickly, saving me a lot of resources. Bad news: A side effect of the system was gender change. My male apprentice turned into a stunning beauty with a curvy front and back. Even worse news: The system's tasks are getting more and more outrageous. She knocks on my door every day and in the middle of the night! Disciple: "Master, the system says that as long as I sleep in the same bed with you, I will be rewarded with ten thousand years of cultivation." Me: "Witch! You really still want to kill me! You even resorted to desperate tactics like seduction!" Disciple: "Master, you don't agree. Could it be that... You want to play something more exciting?" System: [Detect the host's speech, start the 'Overlord Hard Bow' route, knock down the master to get the god-level root bone. Me: "???" Help! I just want to survive, why does my apprentice only want to attack me? !