Iron Blooded Hound - Chapter 13 - : New Ability...

Jian Rushi, born in a rich family, was a college girl. Due to some economic reasons, her family went broke. Her father committed suicide under great pressure, while her mother ran away with someone else, leaving her alone in this world. As she tried to find some comfort from her boyfriend, she found that her boyfriend cheated on her. Feeling devastated, Jian Rushi thought of ending her life. But she wanted to do a crazy thing before that. Suddenly she remembered she was still virgin. So she decided to sleep with a man before she died. She went to a pub one day and saw a pretty man drinking there alone. She mistook him as a money boy and took him home. After they slept, she had no money to pay him. As the compensation, Jian Rushi became the mistress of that man, who turned out to be a golden bachelor. And a series of embarrassing things happened…

- Description from Novelupdates

The protagonist, Punk, is a cautious, cold-blooded, and ruthless Mage.

His goal is always his top priority, over feelings or morality. When unnecessary, he doesn’t like to act like pigs to eat tigers; there are almost no life and death struggles, sometimes risky but steady progress. No strong enemy everywhere, Instead, Punk is always a strong enemy of others.

And he has a very keen interest in the secrets and teachings of the Netheril civilization.

After switching bodies, Jiang Nan Shu becomes the villainous true daughter in a melodramatic tale and is bound to an all-encompassing revulsion system. If everyone's level of disgust for her reaches 100, she can return to her original world with a prize of ten billion. Being reckless is just one of her many skills. Starting with a disgust level of 89, Jiang Nan Shu sets a modest goal for herself: to live a life collecting easy money within six months. Unbeknownst to her, everyone can hear her inner thoughts!When facing the domineering CEO eldest brother, she says outwardly, “I think this project is excellent and will make a fortune.” Inwardly she thinks, “I hope you don’t go bankrupt! Once you're out, I'll steal your company's secrets.”When dealing with the indifferent medical second brother: outwardly, “The food at your colleagues' gathering looks so appetizing.” Inwardly she thinks, “I'll switch tables when the second brother picks food, to avoid catching any diseases from him.”When facing the sickly research third brother, she says outwardly, “Third brother, you're amazing to conduct such tough experiments, keep going.” Inwardly she thinks, “I’ll gracefully exit before your experiment explodes.”When interacting with the pop star fourth brother: outwardly,“These songs suit you so well, sing them all, and fame is just around the corner.” Inwardly, “Just wait for the news to break about your tax evasion.”When advising the love-struck fifth brother: outwardly, ”She's taking an hour out of her busy schedule to be with you because she loves you.“ Inwardly, ”You’ve been turned into a grassland of green; your goddess has a different companion morning, noon, and night. Bet you didn't see that coming!“As the male protagonist looks at her with increasingly deep eyes, saying, “Let's be together,” Jiang Nan Shu weeps, saying, “Don't let your sister misunderstand, I'm not worthy!” Internally, “Money's hard to earn, crap's hard to swallow, the life of a supporting character matters too!”However... why does she end up as the darling of the whole group in the end?

I am the sword.
Killing a man amidst a thousand miles, no one dares take ten steps.
Killing a man amidst a thousand miles, no one can take ten steps.
Killing a man amidst a thousand miles, ten steps? Not possible!
I am the sword, the sword is me,
On the path towards heaven, each shall wield their own.