Isekai Kaeri no Ossan wa, Fusei Sukiru de Fathercon Musume-tachi o Tororori ni - Chapter 6 – Starting as Parent and Child

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...

Beneath the peaceful façade of the modern world, an undercurrent of shocking crimes roils in the underbelly of society.

There is always such a person in the world who likes to take their ex/Bai Yueguang/best friend as a stepping stone for their love.
These exes/Bai Yueguang/Girlfriends are called female supporting roles. They obviously did nothing. Just because they were involved with the male and female protagonists, they were trampled on, hurt, and even left a shadow that will never go away for a lifetime.
Jiang centrifugally felt sorry for those innocent girls, so he traveled from one world to another to help them cross that hurdle.
However, after a certain world, the mission is obviously wrong.
Jiang Li: “I will treat you well.”
“It’s not enough.” The girl imprisoned Jiang Li in her arms, breathing warmly: “Don’t leave, you must always be good to me, only to me.”
Jiang Li: ? ? ?
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Finely divided slice attack x natural sweet and soft feeling
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World One: Campus
The taciturn facial paralyzed “bad girl” x the rich lady who is cold on the outside and hot on the inside
World II: Cultivation
Swordsmith x Sword Spirit

World Three: The World of Beasts
Orc Princess x Totem (Big Cat x Little Rabbit)
World Four: Game of Death abo
Tsundere Big Brother x Super Rookie (Double O)

World Five: Spirituality
Ghost King x Rookie Celestial Master
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Edible guide:
#1v1 Unshakable
#Su Shuangwen, everything is for Su Shuang
#gongjing is divided into slices, being indifferent to others, sweet and soft to attacking

Content tags: system sweet text fast wear cool text
Search keywords: protagonist: Jiang Li ┃ supporting role: a lot ┃ others: fast wear, system, sweet text, mutual favor
One sentence introduction: you are sweet

- Description from novelbuddy

Ever since she transmigrated, she was blessed with an inbuilt anti-poison detector.

Beep beep – What? Her father’s concubine was evil and her half-sister was vicious?
Beep beep – Ah! She was in an arranged marriage and her husband did not love her?

Who cared? She could kill those evil creatures instantly with her high intelligence.

Her unparalleled beauty attracted countless suitors and her popularity topped the charts. No one was immune, even the emperors and princes were all captivated by her…

- Description from Novelupdates