MTL - Master Dan Dao - Chapter 372 Liangchen

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- Description from novelupdates

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.

She was deceived into marriage, she was used as a nanny for free, and finally she was beaten to death by her adoptive mother in front of her adoptive father’s bed. Shen Mianmian’s miserable life came to an end.

When he opened his eyes, he turned back to the age of fifteen. Shen Mianmian vowed to get rid of the fate of his past life and take care of his vicious cousin and adoptive mother, but he was accidentally brilliant.

The third-to-last scumbag suddenly counterattacked and became the place that the famous universities competed for. The teachers and students of the school were in an uproar…

Others are busy studying, Shen Mianmian is busy doing small business to make money…

Others were preparing for the college entrance examination, but Shen Mianmian bought the two most famous haunted houses in Kyoto in one go… She became an outlier in the eyes of everyone, laughing at her if she bought it with life, but not necessarily with life.

Others were busy looking for jobs after graduation, but the haunted house purchased by Shen Mianmian was expropriated by the government and received a considerable amount of demolition money.

The person who once laughed at her couldn’t help but slapped herself… I asked around where there were still haunted houses for sale.

Shen Mianmian, who originally had to borrow all the tuition fees, took the demolition funds and used the advantages of rebirth to buy a suitable location, built a group rental building, and transformed himself into a fat and oily charter woman in Kyoto…

One day, Shen Mianmian was dragged to the Civil Affairs Bureau just after collecting the rent while carrying a bag of keys.

“Shen Mianmian, what you owe me should be repaid.”

- Description from novelbuddy

The leader of the thousand demons, the Demon God Chun YeoWoon. Due to an unfortunate accident, he had been sent to the distant future.