The supporting character's harem is very normal - Chapter 328 Thank you, Akna.

Life is unpredictable. Her husband loved her stepsister, deposed her as Empress and even forced her son to death. In that Cold Palace, she was forced to drink poisonous wine. So in the next lifetime, she made a promise to never do good deeds and help others, to never step into the palace and to never become the Empress!

A lonely soul, which was placed under the care of the Lord Protector’s Manor, ended up having her lover stolen by the family’s eldest daughter and dying tragically the day before her wedding.

Somehow, she was reborn in the family as their 14-year-old first wife’s daughter, Ning Xueyan, with a startlingly familiar face.

Step by step, she will ruthlessly scheme to seek revenge as well as uncover the mystery of her tragic death.

Her former fiancee, the flirty crown prince and the bloodthirsty prince, will now bear witness to a vengeful Ning Xueyan becoming the peerless lady of her generation…

- Description from Novelupdates

There is luster in the east, and it is named Dahuang. “
In the rumors, ignorance, poverty, backwardness, and wildness. “
– bullshit. “
Queen of the Great Desolation, cold as frost. “
Supported by the national teacher, and the golden boy and jade girl of the national teacher, they are deeply in love, a stunning couple, and unparalleled. “
– bullshit. “
The queen died suddenly, and the national teacher mourned. According to the instructions of heaven, they traveled thousands of miles and finally found their reincarnated lover. From then on, the prince and princess lived happily in the castle…
——Crap! “

- Description from novelbuddy

After witnessing her fiancé sleeping with another woman, Su Yu got herself drunk at a bar out of sadness and rage. At the end of the night, she accidentally slept with a ‘poor scoundrel’. This poor scoundrel was stubborn, always hounding after her to take responsibility after their night together. Pei Tianlin said, “You took my first time, so you should take responsibility.”Su Yu flew into a rage. “That was my first time too!” Pei Tianlin retorted, “Then I’ll take responsibility. Let’s get married.” Su Yu was flabbergasted. “Dream on!”

She had a feeling she was being tricked by the poor scoundrel, but he didn’t want money or assets. He just wanted a marriage certificate. Su Yu gritted her teeth in anger. “It’s just a marriage certificate! Sure, let’s go get it!” When her fiancé heard that she was marrying a poor scoundrel, he kept trying to persuade her.

“Yu Yu, I know that I hurt you, but you can’t ruin yourself by marrying a poor scoundrel out of spite. If you’re willing, I can marry you.”

Su Yu scoffed. “Go marry your mother!”

Who knew that on the second day of Su Yu’s marriage to Pei Tianlin, countless jewelry pieces, diamonds, high-quality custom-made clothes, luxury cars, and deeds to extravagant manors were delivered to Su Yu. The ‘poor scoundrel’ suddenly became a domineering CEO who spoiled Su Yu to no end.

Rumor had it that Pei Corporation’s mysterious CEO, Pei Tianlin, was a germaphobe. But when Su Yu was eating grapes, he obediently extended his hand to catch the grape seeds she spat out. Rumor had it that Pei Corporation’s mysterious CEO was aloof and difficult to get close to. However, he was nothing but gentle in front of Su Yu. Rumor had it that Pei Tianlin was a fair and unbiased man. But he would break the rules just to protect his wife, Su Yu. Justice and law were nothing compare to his wife!