Qiang Jin Jiu - Chapter 35: Early snow

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?

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

The Xie Family all studied law, possessing the fine qualities expected of a scholarly family. Xie Shang too had them: elegance, deep learning, a Fragrance Connoisseur versed in classics, also skilled in zither, chess, calligraphy, and painting.But he was mad, capable of reciting the scriptures while holding a Buddha statue, as well as breaking people's hand and foot bones, very gentle, yet very cruel.Xie Shang didn't become a lawyer but opened a pawnshop instead, where you could pawn anything as long as the story was compelling.One day, someone came to the pawnshop and told a story:In Fragrant City, there was a family with the surname Wen, where daughters took their mother's surname. The daughters of that family could cast spells, the kind that bewitched men, leaving their lovers either buried with them or taking vows of celibacy; in short, either dead or destined for a lonely life.Xie Shang's uncle had died in Fragrant City, which is why he accepted this particular pawning business.Bewitched, confused, thrilled, deeply in love, but love unattained, and a pain so intense it made life unbearable. — This was the script Xie Shang had prepared for the deaf boy Wen Changling.In the end, it was Xie Shang who ended up with this romance-addled script.Wen Changling: Are you surprised, Mr. Xie Shang?(This isn't a book transmigration story, it's a contemporary sweet romance. The 'script' in the book title implies deliberate plotting.)

Ou Renjin likes keeping beautiful young men because he likes watching the drama.

Watching them be arrogant and conceited; watching them be obsequious and sycophantic; watching them have ulterior motives and fight with each other, seeing all the evil side of human nature.

Until, he picks up a poor little guy.

The poor little guy is ignorant and helpless, treating Ou Renjin as his whole world, spending all his salary to buy him gifts, standing in front of him in times of danger without hesitation, even…

…saying to him in the calmest and lightest of tones after knowing that their heart matching is successful, “I am very grateful that you have been hiding it from me, but I have long been ready to give my heart to you.”

* * *

036 was born as a test subject, without parents or friends.

As the only successful “petri dish of renewable organs”, he had every organ in his body cut out and transplanted to the rich and powerful countless times.

After getting used to the pain, he met the most special person in the world.

This person was so good that he wanted to cut out his own heart immediately.

- Description from Novelupdates