The Vicious Female Supporting Character Forms an Alliance with the Villainous Male Protagonist

I dressed up as a vicious female supporting character in a business war novel, and planned to drug the male protagonist on their wedding night. As soon as he took out the medicine, he leaned close to my ear and said, "Sister, this medicine has expired for three years." My hand shook and I stuffed the pill into my mouth: "Holy shit, how do you know the plot?" He calmly took out the prenuptial agreement: "Because I am a book-wearer, do you want to cooperate? Let's kill the original author together." After signing, we both suddenly had splitting headaches at the same time—— A warning in blood appeared before my eyes: [Character OOC, punishment activated.