Starting Simulation, I Had No Choice but to Become the Devil

Jun Xie obtained the simulation system, looked at the world with a smile, and left his violent footprints in the fantasy world. [You go out for training, encounter the zombie king, and are killed and devoured by him. End. [You made trouble at your beloved woman's wedding, and was slapped to death by the groom. End. [You were captured in a dark hut and imprisoned for fifty years. The enemy made you unable to survive or die. On the day of rescue, you committed suicide. … After countless simulations, [no one you meet is your opponent, and you find that you are invincible.