The Devious First-Daughter (Web Novel) - Chapter 674: Madam Dowager Liu's Message

Zhuang Feng is in his last year of high school, and he’s just moved to the city. He lives with his good-for-nothing cousin, who’s always on business trips falling for get-rich-quick scams, and his Saozi (sister-in-law), who tries to make his life miserable as much as possible. There’s one upside, though; she. is. freaking. hot. But one day, he found a piece of her underwear in the bathroom…. And unfolded a series of events that will turn his life upside down.

- Description from Novelupdates

In the spirit of no strategy, Luo Chenyu has been running around in various worlds, live broadcasts counterattacks and slaps his face, and he wants to take the system to the “peak of Tongsheng”.

But later…

The soft cute little milk dog opened her innocent and clear eyes and looked at her eagerly: Sister, I will be obedient~

The sensitive and suspicious prince put the sword against her neck: You can only compensate me for so many years of cruel torture!

The sickly and perverted demon king gently stroked her face: No matter if you go up to the sky, go down to the yellow spring, or live in the sky, you can only stay by my side.

The overbearing monarch put the phoenix seal on both hands: I am willing to risk the world and marry you! Would you like to share this great country with me?

Luo Chenyu: …

Climb all for Grandpa!

*

Someone was secretly jealous, and finally couldn’t help blocking her in the corner.

The face of the ruthless tyrant has a pair of cute furry ears.

“You touched my ear, but you have to be responsible for me…”

Luo Chenyu: Her boss is so cute, it’s terrible!

- Description from novelbuddy

Han Sheng Li is the Crown Prince of the Great Han kingdom. Since the age of fourteen, he mostly went to the wars with his father, Han Wenji, the great emperor of the Han Kingdom. He's the most favored child of his father but, is the cruelest and ruthless among all of his seven half brothers.

She is a top-class spy, a poison specialist, but also a young and cute girl with a sinister temperament. In spite of her sweet and innocent appearance, she can complete any tasks without the slightest hesitation. One day because of an incomplete black magic, she was sent into the body of a girl who was deemed as a good-for-nothing. What kind of change will she bring to this continent?