Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10 Nen ga Tattara Densetsu ni Natteita - Chapter 154 - The Dragon’s Magic Circle

Having transmigrated to a new world and becoming an ordinary Blacksmith in a Blacksmith Shop, Ye Feng shortly has the Master Blacksmith System activated.

This novel is also known as Master Fu's Mysterious Darling Wife

She is the The Young Miss of Military family Shen, her face is peerless, her temperament is cold, and she is her family’s treasure, but isn’t accepted as one’s child by her mother;

He is The Sole Heir to the top giant Fu Family, his power is unparalleled, indifferent high-born, the captain of the mysterious military force, and the youngest commander-in-chief.

Because of her grandmother’s wishes, she married him at lightning speed. She thought that it was a marriage that she needed, but she didn’t expect to be greeted with his extreme pampering.

- Description from Novelupdates

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

Jiang Feng, a handsome young martial artist, was injured during a misadventure and ended up being saved by the sisters Yaoyue and Lianxing of the Palace of Shifting Flowers, who were considered the most powerful female martial artists in the pugilistic world. The two sisters fell in love with Jiang Feng, but he spurned them because of their arrogance. Instead, he fell in love with their servant girl, Hua Yuenu.

Jiang Feng and Hua Yuenu were forced to flee from the Palace after Hua became pregnant with Jiang’s child. However, they ended up being betrayed by Jiang Feng’s servant, Jiang Biehe, and attacked by bandits. During their harrowing flight, Hua Yuenu gave birth to a pair of twin boys abut ended up dying together with Jiang Feng during a bandit attack. Yaoyue and Lianxing soon caught up with the couple only to find them dead. Refusing to forgive Jiang Feng for rejecting her love, Yaoyue vowed to take her revenge by making his two sons destroy each other. To do that, they adopted one of the boys as their own child and abandoned the other.

The other boy was soon saved by Yan Nantian, Jiang Feng’s sworn brother and one of the most powerful martial artists in the pugilistic world. Unaware of the first boy’s fate, Yan Nantian pursued Jiang Biehe into the Villains’ Valley, a place populated entirely by criminals. There, he encountered five of the notorious Ten Great Villains whom he defeated easily before falling into a trap set by them. The villains ended up torturing Yan Nantian till he fell unconscious, but chose not to harm the second boy, instead deciding to raise him as their apprentice in order to groom him into the greatest villain in history.