Villain: Hugging the Empress' Thigh and Torturing the Protagonist Along the Way

[Villain, system, travel through books, fantasy, upgrade, cool article] Ji Dong traveled through time and became a villain in the world of the book. He is bound to the invincibility system, how could he be killed by the destiny hero? He decisively hugged the reincarnated empress's thigh and pushed him all the way with the empress' wife!