MTL - Rebirth of the Rich and Wealthy - ~ 41, the enemy is dark, I am coming to Japan.

Betrayed by her boyfriend in the most humiliating way, She seeks solace in a night bar that leads to an unexpected turn—she finds herself pregnant with quadruplets, and the father is a gigolo!She thought it was merely a fleeting encounter, she returns home only to discover he's transformed into the city's most influential CEO.Struggling as a single mother, she's caught off guard when fate brings them together again. He recognizes her, and traps her...

Suddenly being able to travel to various familiar worlds, to grow and develop in these various high-risk worlds, you need to follow the following guidelines:

1: If you want to get rich, don’t be afraid of death. If you are afraid of death, you can only eat other people’s leftovers.

2: Don’t always try to save the world, it will be bad luck to be a Virgin in other planes.

3: Don’t let go of good things, maybe you will lose a great opportunity because of this.

4: Don’t wantonly flood your feelings, you can only bring back sadness if you can’t take away the girl.

……

- Description from novelbuddy

Shen Shi obtained a trading platform that was based 3000 years in the future. Everything from the current age became antiques there and was worth a lot of money.However, he also discovered that the world would be invaded by aliens three years from now. Mankind would fall and the dark Galactic Era would thus begin.The world would then undergo enormous changes that it had never experienced in the past tens of thousands of years.Shocked by what would transpire, Shen Shi decided that he would first trade for a galactic warship.As such, a warship from outer space landed on Earth, stirring up terror among all mankind.The Earth entered the Galactic Era earlier than expected.

Once she transmigrated over, Li Haitang, an elite female doctor from the big city, is demoted to a pitiful little cabbage whose parents have both died. She is surrounded by extreme jackals, wolves, tigers and panthers family and relatives. What? She is sold to a half-dead body that is going to be buried in the ground. Has she been sold to an old man with a heavy taste? The only way to escape from the arranged marriage is to pack a bundle wrapped in a cloth! Who would have thought that on the way to the wedding, she meets a wild man who is feared by everyone in the village? The wild man has three treasures, he is hardworking, spoils his wife and has good stamina! His pectoral muscles, abs and mermaid’s line are all there.

- Description from Novelupdates