Mad Hatter's Guide to Clearing The Game - Chapter 53: Ch51. RE: [World Quest] (9) - Against time

Juvenile Qin Chen, the star gate was taken, repaired as abolished, but it was awakened to the memory of the nine ninth, and opened the tenth journey of the sky. Wanjie is a book, I write a pen and write a thousand worlds. The hundred fields are mountains, my heart is the sea, and I walk out of the heavens. Hand Optimus, foot on the ground, this world, I am the emperor, who, dare not to accept?

- Description from sobiquge.com

【 WARNING: 18+ CONTENT 】Jace had nothing. No money. No job. No future. Until a mysterious System appeared:“Spend on women. Earn it back, multiplied.”Now, every date is an investment. Every night is profit. Double. Triple. Quadruple.Luxury cars, penthouses, designer suits. All within his grasp. And the women?✓ The influencer who once said, “Only rich men, no love.” Now she’s head over heels for him.✓ The single mother next door, who needed help, and the daughter who wants his love for herself.✓ The proud CEO who thought she could control him, now serves as his obedient secretary.Power. Wealth. Women.All he has to do is invest and indulge.(All characters are 20+ years old.)

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

An ordinary office clerk was accidentally reborn into a vast and mysterious world of Xianxia, becoming a member of a small cultivation clan.The story begins in an endless sea of sand, in an oasis called the Yuquan Lake Oasis.