She was born into a wealthy family - Chapter 634 - was very clear

“I am Bianca Valestra, Witch of the Frozen Night, an enemy of Humanity. By choosing to follow me, you will be fighting not just humans—but the entire world. I no longer wish to lie to you, Elian. If you wish to walk away or choose another path, I will let you.”Yet the boy shook his head and laid his hand gently over hers.“I am no longer human. I just committed what I think to be genocide. I am not afraid. For you—the one who saved me, gave me purpose, and my only desire—I will fight. I do not care how many come. I will kill them all.”___In the year 2030, everything changed.Portals to other dimensions appeared without warning.We called them dungeons.And from them came monsters that knew only destruction.But in humanity’s darkest hour, a sliver of hope emerged.People began awakening strange abilities—Talents—to fight back.Years passed. A fragile normal returned.Our story begins with Elian Reeds, a teenage student born in this new world—without a Talent.A Defect, they called him. Useless. Broken.That is, until he meets her.A fallen villainess whose name still strikes fear and reverence alike:Bianca Valestra—divine in beauty, and colder than death.This is the tale of their meeting.The chronicle of their journey.And the legacy of their triumph.

Doctor Jiang Fei, considered closing down the clinic because business was so bad, but unexpectedly his game character entered his body, making him omnipotent.

Not only is he superb in medicine, he also controls the life or death of the flesh bones of the dead person, and just like Yama he snatches people’s life.

He is now proficient in even cooking, playing piano, gardening, and domesticating pets!

People thought this was all of Jiang Fei’s skill, but Jiang Fei would smile and look at the martial arts cheats book. ‘The Dragon’s 18 palms’, ‘Six-pulse excalibur’, ‘Northern Profound Magic’, ‘Lone Solitary 9 Swords’

- Description from Novelupdates

【Hilarious and Adorable Novel】As a military doctor with expertise in both Chinese and Western medicine, Gu Changsheng felt that this time-traveling journey was ridiculously screwy!Once he traveled back, he was gifted a son, hmm, it felt quite nice.Having a son to rely on in old age, plus owning a steady estate, wealth and glory weren't hard to come by.A lousy father turns over a new leaf? Sorry, mom here isn't fond of revisiting the past!Son, what kind of dad do you want? From the multitude of handsome and wealthy young men out there, let’s pick and choose…This is the story of a bizarrely outstanding female doctor, strutting through ancient times with her child in tow!

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.