My Servant Is An Elf Knight From Another World - Chapter 77

As tragedy befalls Xin Siyue, she soon finds herself transmigrated into a novel world as a character. To her disappointment, she became the villainess who obsessively chased after the male protagonist while scheming to tear apart his relationship with his beloved.

To avoid her death route, Xin Siyue carefully avoided the male and female protagonists at every turn. Instead, she went off on her own to enjoy life. But somewhere along the way, she made a mistake– the male protagonist took notice of her!

Xin Siyue’s eyes teared up as she was being kissed in Chen Sinan’s arms. ‘No! This wasn’t in the plot!’

- Description from novelupdates

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

In the Year 350 of the Anping Dynasty, humans were faced with a huge crisis. Earth was invaded by monsters from another dimension. Fortunately, Su Yu awoke a power where he possessed a scripture that allowed him to contain everything in existence. With that power, he was able to face the coming apocalypse.

“You need a legal wife. I need a husband in name. I can get him to work with me!”

A marriage certificate, she had completely screwed herself over!

“You … What are you doing! ” Jin Yan gripped the thin blanket tightly, her face was full of caution. Why did this man appear in her room late at night?!

He stepped forward with a faint smile on his lips, “Of course it's what a husband and wife should do.”

After being so long suppressed, she was furious.

Liar! Brawler! She wants a divorce!

The man panted heavily. With a bewitching voice, he said, “Alright, I’ll go out to clean up. I don’t need anything but you!”