I've got a Succubus for a Girlfriend - Chapter 1: Unknown Voice

【Time Travel + Workplace Competition + No Lazing Around + Ambitious Female Lead】Overachiever Shen Wei traveled through time and found herself as the lowest-ranking maid in the grand residence of the Yan Prince.The Yan Prince held a prestigious position, but his consorts were all content to live dull lives. The noble-born princess consort was as tranquil as a chrysanthemum; the concubine sought a life of monogamy; the reincarnated woman was utterly disillusioned with the Yan Prince and had given up on striving for anything; and the other timid concubines dared not make a move…The queen of workplace competition, Shen Wei, declared: Don’t stop me! I’m going to outwork these unambitious slackers!…The Yan Prince had grown accustomed to the stagnant atmosphere in his harem, until a particularly skilled courtesan appeared.This concubine was stunningly beautiful, adept at both literature and dance, hardworking, and always brought him fresh excitement. The Prince couldn’t help but take a second, then a lifetime-long, look at her.Years later, Shen Wei became the all-powerful Imperial Noble Consort, with children and the emperor’s exclusive favor.Meanwhile, the princess consort remained as tranquil as ever; the concubine was aging and had yet to experience a monogamous life; and the reincarnated woman was still eating simple meals in her modest abode…After half a lifetime of striving, Shen Wei finally reached retirement and revealed her true nature, fully embracing a life of leisure. The retired emperor interjected: “You competed for favor just to retire?”Shen Wei snacked on melon seeds: “What else?”Living is all about retirement!The retired emperor was even more surprised to find, in midlife, that other men were vying for his wife’s affections!

Seven years ago, Shen Qianshu is impregnated with Ye Ling’s child in an accident.
Seven years later, the little boy becomes famous and is thought of as the nation’s son.

When he suddenly sees Ye Ling appear, he greets, “Hello, Daddy?”
Ye Ling watches as the little prince roars, “Where’s my princess?”
Just as Shen Qianshu is preparing to run with her son, she gets pushed down by Ye Ling.

“You can leave if you want, but leave me a princess first. Let’s have another baby!”

- Description from Novelupdates

Gu Chaoyan is the eldest daughter of the Gu Family, yet the least favorite one. She is mostly despised and belittled by everyone around, only because she isn’t pretty.

Through an accidental transmigration, Gu Huan became the youngest Alpha general in the novel. He is handsome, aloof and powerful, admired by thousands of people.

Even if he was a villain, this was a proper, awe-inspiring character design.

Gu Huan was so happy!

Looking at the needle holes in his arms, the haggard eyes, and the home that had been dismantled into an open-air convertible.

He suspects that he is actually an addict.

Doctor: No, you are just a very ordinary Omega who used inhibitors during the fever period.

Gu Huan: …you are kidding me.

Doctor: An Omega of your age who has not been marked is very likely to be leashed.

Gu Huan: …I believe this.

To survive. Kaolin (senior) Flower (single dog) can only apply for marriage online.

Marriage Self-Description: Older, hot-tempered, not guaranteed to not to beat someone in heat, not guaranteed to not to beat someone to death.

In the end, someone actually came to this painful marriage request, and it was the prince who wanted to eradicate him, the villain, in the original text.

——The so-called wolf dog, when it hates you, it is a wolf, when it likes you, it is a dog.

- Description from Novelupdates