The Black Book: Seven Deadly Sins - Chapter 1: The Purpose of Living is to Eat!

Nero was an orphan boy who one day went to sleep like any other day in his apartment. However, what he did not know that the moment he slept, it would be his last day of life...Or at least that was how it should be.Nero's soul wandered between the worlds and ended up entering the body of a girl who was trapped in a human mutation laboratory. While the girl's soul was still alive, he hibernated inside her body.After so many tortures, the girl named “Zero” in the laboratory died. But, it didn't end there, when the girl died, something very strange happened, something took control of the girl's body and that same thing escaped the laboratory.It was when Nero what that was hibernating in the girl's body woke up and realized was completely naked. In addition, he realized that he turned her into a beautiful winged woman with white hair and some pink strands.

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

Back in 1996, when the daughter of the Old Xie family, Xie Wanying, said she wanted to be a doctor, many laughed.“Phoenix begets phoenix, dog spawns dog. A truck driver’s daughter becoming a doctor is as likely as a sow climbing a tree.”“I’m not just going to be a doctor, I’m going to be a female chest surgeon,” said Xie Wanying.Her words provoked even greater waves of disdain within the doctors' community.Relatives who were doctors ridiculed her mercilessly: “Do you know how high the admission scores are for medical students? Do you think you can make it?”“There are zero female chief chest surgeons in the country. Who do you think you are!”A bunch of people mocked her: “You'll probably only get into a third-rate medical college and end up as a health worker in a small county town. It's easy to imagine what sort of marriage you'll have.”After the college entrance exams, Xie Wanying entered the top surgical class in the country with the highest science scores in the province, with department heads in the Capital’s top-tier hospitals vying for her from her internship beginnings.“Student Xie Wanying, come to our digestive surgery department.”“No, she must come to our urological surgery—”“Pediatric surgery is in short supply of female doctors like student Xie Wanying.”Circles of relatives and friends: …At this time, Xie Wanying independently completed the youngest Tetralogy of Fallot surgery in the country, represented the national association of chest surgery at an international medical forum, and published the world’s first minimally invasive heart valve repair surgery, becoming truly the foremost surgeon in the field of female surgery!As for the marriage concerns that everyone “worried” about:A brother from the Returned Overseas Faction, a hot bachelor within the Capital, changed his QQ profile picture to Junior Sister Xie.The young CEO, a handsome man, came to the hospital every day with flowers, keen to offer a diamond ring.Not to mention, a whole host of suitors had long since worn a path to the Old Xie Family's doorstep...