Villain, but Can Predict the Plot

Introduction: When she woke up, Xu Lan suddenly found that she was the villain boss of a galgame, destined to meet the end of death in certain routes. But, it doesn't matter. The real world is much freer than the game. Even the villain can choose to be an investigator, farm, date, and at the same time... Solve the question of how you became the villain boss, and slightly modify the main plot.