The Villain Empress, Why Did She Become a Yandere?

[Daily Love Episode] She is the biggest villain in the book, the Empress. She kills her father, her brother, her master, and her friends. To achieve her goal, she will do whatever it takes to become the empress. Lin Che only learned after traveling through time that he wanted to attack the villain empress. Wouldn't this cost him his life? ! Is this something a human can do? Lin Che: "Can I not do it?" System: [The favorability is always 0. After three months, you will be completely wiped out from the world. The trembling Lin Che walked to the future empress, just wanting to survive. "You also want to come and seduce me? You're looking for death!" Lin Che shook her head desperately, "No." He just wants to save his life! ! He was killed by the villain empress 18 times, a total of 18 times! ! Later, Lin Che escaped overnight after conquering the Empress, and was caught on the bed by her. "Lin Che, do you dare to run? Don't you love me the most? You can't escape." The villain empress kissed him sickly. "No... I won't run away." Lin Che was shaking with fear, help! Why did this villainous empress become a yandere? !