Strongest Survival by Otome Game’s Heroine (LN) - Chapter Volume 1 2: Flight

She was the most arrogant assassin in the world in the twenty-first century, yet in the end, she was unintentionally killed by her senior brother, resulting in her traveling to Bingzhou continent. The first step after she opened her eyes was to crawl out of the fecal drain and throw the woman who schemed her into the fecal drain. However, at this critical moment, she met a cold and arrogant beautiful man. Looking at his disdainful expression … She would always remember the words of this proud and aloof man. “Once my beloved wife has my child, I will seize Ming You Nation’s land for you and our son!”

- Description from Novelupdates

Other people’s Alliance Heads are unrivaled in the lands, with an incomparable domineering air. With a shake of their arm they could cause a thousand waves to ripple throughout Jianghu.

"Locke transmigrated into an era where everyone had Battle Beasts. Daemons were rampant and humans were forced to build walls around their dwellings while depending on Beastmasters to keep those monsters at bay.

[A Douluo Dalu 2: Peerless Tang Sect Fanfiction]He awakened a unique martial soul and forged unfair contracts with soul beasts.Born in obscurity, he rose as a formidable overlord amidst the chaos.He suppressed countless prodigies of his era, his talent unparalleled.He is the true Beastmaster King, the ruler of all beasts.In the shadows, he gathered strength, advancing step by step, until he reigned supreme, unifying the continent.Whether human or soul beast, he would make all beings submit and become the sole sovereign of the land.Ending the turmoil, bringing order to the world—he would ascend to the highest throne, standing above all in an era of chaos.[Multiple love interests, no simping, mastery of strategy, seizing every advantage]