How to Reject the Protagonist's Confession

As a villain, Shan Lianyu travels through the mission world, deceiving the protagonist's body and mind. He goes in with a white knife and comes out with a red knife. He is cold and ruthless and throws away after use. The system patted its chest: "Great host! Our mission will be over soon——" Before he finished speaking, the protagonist caught up with him, broke down and shouted: "Shan Lianyu! You lied to me, hurt me, used me, it doesn't matter, but you can never get rid of me!" The system was petrified on the spot. It looked at the indifferent host, then at the pink-eyed protagonist, and sighed: "What kind of peerless love brain is this! Please wake up! The protagonist and the villain cannot be together!" * Question: How to reject the protagonist's confession? Shan Lianyu: Thank you, I declined. Systemic vomiting of blood: True·declined. Reading tips: Main attack/received attack/received attack/beautiful attack/received forcefully Fast travel, 1V1, Shou is the same person The writing is not good, the plot is bloody Quick travel story, tentatively four worlds: Ancient times: Imperial Master x Emperor Modern: Young Master Xian Xia: Xiao Xianjun real world Beauty Attack vs. Shou who is dedicated to pampering Purpose: Treat love rationally