Zero no Tsukaima - Volume 6 Chapter 2

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

Sister in law: “Qing, why is the eggplant you planted curved?”Li Qing: “What do you understand? Only curved ones are more enjoyable?”Sister in law's face turned red and she said, “Why are cucumbers straight?”Li Qing chuckled mischievously and said, “Only straight ones can go deeper.”

[Female lead with no romantic interest + ancient female awakening + passionate righteousness + refusing to be a submissive woman] After failing to conquer the emperor, the system punished me by forcing me to livestream modern life to ancient people.

The man I personally supported to ascend the throne saw me wearing a strapless minidress and dancing seductively at a banquet amidst revelry and wine, and he flew into a rage, accusing me of violating womanly virtues.

I smiled calmly and pointed the camera towards a modern street, launching a shocking livestream for the ancient people!

“Good heavens? It’s nighttime now, but what are those pearls shining so brightly?”

Female lead: Those are light bulbs.

“There are indeed objects in this world that can transmit sound over thousands of miles away. What a marvelous treasure!”

Female lead: This is a cell phone.

“How could the women on the streets dress so scantily and shamelessly flirt with men? Don’t they know propriety? Why hasn’t the county office come to stop these debased women and thrown them into pigsties?”

Female lead: Because this is the glorious era of China!

She was originally a puppet of her family. Pursued by the police for being a business spy and hitman, she was betrayed and fell into the sea.

When she opened her eyes again, she had turned into an ordinary high school student. Because of a disgraceful birth, she had been crowded out by her relatives. Because of inferiority complex and antisocial behavior, she was bullied by her classmates.

But now she is no longer someone who acts timid. Cheat her, and she will break your bones.

She possesses formidable Jade pupils capable of seeing through walls. Other people have difficulty breaking through jade, their sight for antiques is based on gambles, but she only needs a look.

An undertaking begins as she creates legends in the world of business.

Once upon a time, they laughed at her poor and destitute state. Now looking at her net worth of 10 billion, it can’t be explained.

To the relatives that come to hug her thighs, she must apologize: “We broke off relations long ago, so get lost!”