Dragon Ball God Mu - Chapter 686

Fate is a funny thing.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

e Xuan transmigrated into a novel world only to discover he is the novel’s villain?

Moreover, the heroine of this world was aware of the future plot and was preparing to kill him?

Danger-!

Luckily, he awakened a system that allowed the heroine to see the plot.

“In order to save you… it didn’t matter if I was possessed by a devil!”

Heroine: He turned into the devil to save me?

“Why, you won’t listen to my explanation? Being wronged by you is like a sword piercing my heart, it’s so cold and painful.”

Heroine: What, he was wronged?

“Your sword hurt me so deeply… This life, I will not fall in love with you again.”

The heroine cried her heart out: No-!!!

“Please don’t r*pe me. This life, I would rather betray the heavens than betray you!!!!