MTL - Dawn of the Grey Tower - Chapter 200 In the fog (on)

This is the era where people prioritize science and Martial Dao. After the great disaster, the human race discovered the Ancient Zenith civilization. They entered the Age of Great Cultivation and began their journey to colonize the Kunlun Realm!

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

This novel is also known as A Stay-at-home Dad's Restaurant In An Alternate World

There is a very strange restaurant in the City of Sin.

Elves and dwarves must share a table, orcs are strangely well behaved, dragons are only welcomed on the small square in front of the restaurant, and the demons must bring their own stool.

This strange restaurant with their strange rules continuous to attract a long line of customers.

“This place serves the best food! The chef of this restaurant is a genius!” Some of the guests in the restaurant left glowing reviews. But these guests have a word of warning for other guests, “No matter what you do, never, never attempt to kidnap the boss or try to ‘eat and run’. You will die.”

A cute little girl stood near the door, and demanded in her tiny voice, “You have eaten the food, now pay up, or I will beat you to death.” The five-meter tall dragon suddenly felt a chill running up its spine.

- Description from novelupdates

Lin Xiaoyue, a girl from the future, transmigrates into the body of a dumb peasant girl. The father of the original owner had just died, and her remaining family was made to live in a dilapidated house on the edge of the village by their own grandmother. Looking at her fragile mother and her little brother’s miserable appearance, Lin Xiaoyue decided that she wanted the three of them to live a good life. The good thing is that she had her spatial ring and spiritual powers.

With that, she could relax and easily do what she needed to do. Hmm. There wasn’t a strong man in the house, and people continuously came to bully them? No problem, she’ll just buy a man! After browsing through the slaves, she discovered the captain whom she had a crush on in her previous life! Ah, she just loved ancient times! There was no war, and no famine. She also had a family and a lover! She was happy to live on like this! This is the story of an ordinary girl who came from the future, living a prosperous life in the ancient times!