History's Strongest Son-In-Law Living With The In-Laws - Chapter 18

Because her appearance was not breathtaking, the Emperor breaks off their engagement and bestows her instead to the bloodthirsty, ruthless, and cold-blooded Second Prince (Wang Ye).

On her wedding night comes endless humiliation, the genuine Princess Consort becoming a deserted women. A foolish woman before rebirth, she no longer expects his love. In this world, she must possess enough talent to awe those around her, carrying herself with composure and articulating with beautiful diction, override above the nine night.

- Description from Novelupdates

After a tear in reality pulls Kagari Shuya into a white room he discovers a futuristic interface for reincarnating in a different world. After looking through the different races and skills he unlocks a new race, Lucivault, a type of vampire with none of its characteristic weaknesses. All set to start his life in a new world, Shuya is confused to discover that he is enveloped in darkness. As it turns out something went wrong when he was transported and instead of appearing where he was supposed to, he appeared in an underground cave. Shuya faces untold dangers, runs for his life, before finding his way out of the underground world. After escaping he meets his Shishou and begins to learn to fight with a spear. There is also a cute black cat named Rollo.

Xu He had been his sister’s control group since he was a child. His elder sister was fair, juicy and good at giving birth. She was the heart of the Xu family, a flower in the village, and the talented people who wanted to marry her lined up from the village to the back of the mountain.

The little brother was only good at cooking, and he was busy from the stove to the field all day long, and no one paid attention to his disheveled face. People in the village talked after dinner, how the same parents had two very different children. With his sister as a comparison, it must be more difficult for He ge’er to marry. 

However, there were many young men looking for Xu He, but these people who got close to him were all to find out about his sister. Xu He had been used to it for many years, but recently, even Zhang Fangyuan, who was not doing business in the village, wanted to get something from him.

After inquiring, he tried to hide, but he was stuck on the way home, but the man said: “He ge’er, your cooking is delicious, and it will be even better if you are my fulang.”

- Description from Novelupdates

She was stupidly in love with him. Because of him, she became rude and unreasonable, overbearing, jealous, insane. But he did not spare a glance to her. Married for two years, he didn’t favor her once, letting her become the laughing stock of the whole world. Eventually, she ended up in an affair, leading to her tragic death.