Villain: Invincible Starts from Taking the Protagonist's Master As a Servant

[Villain + System + Invincible Background + Cool Story + Decisive Killing (No Pig Raising) + Multiple Female Protagonists] Gu Wuchen traveled to a different world and became the only direct descendant of the Changsheng Gu family, the head of the five ancient families in the upper realm! His father is the current patriarch of the Gu family, his mother is the daughter of the emperor, and his grandparents are both terrifying emperors! With such a start, he was supposed to live a life of luxury and dissoluteness. But one day, after discussing life privately with the Holy Maiden of Lingxiao Holy Land, he realized that something was wrong. "Ruyan, you said you broke off your engagement with a loser named Xiao two and a half years ago?!" "The other party also said that things will change over time?!" "Oh come on, I'm the villain?!" Then, the system came! When facing the child of destiny, should you assist him or avoid him, or become a complete villain? ! "The villain, must be the villain, if I don't choose the villain, I will be unworthy of the name Gu!!!"