Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka - Vol 3 Chapter 2.2

Yan Lan follows her mother's dying wish to hide her countless identities and live a low-key life.Who would have thought that one night, her sister Yan Xue has a dream about a broken wealthy family, and upon waking, steals her beloved and forces her to go on a blind date in her place.Yan Lan: Go for the blind date immediately, the match is the prince of the capital's elite circle.The sister waits and waits, expecting Yan Lan to follow her old path and become an abandoned wife of a wealthy family, but finally she receives news...Late at night, Yan Lan returns home after a quarrel.The former true love: Brother, I have a stomachache, can you come to see me?The new wealthiest and prince: Block and delete in one go, don't disturb me while I pack my small bag to sleep on the floor at my wife's place!

Xia Zhijun got the title ‘study god’ after scoring first place in the whole city. He’s the model of a good student in a teacher’s eyes: good grades, good manners, and quiet. When he wasn’t smiling, his entire body emits a cold abstinence aura. The girls only have the guts to look from afar and not get close.
Later, it was rumored throughout the entire school that even the study god would fight and hit on girls. Whoever dared to provoke his girl, he would teach you how to be a person at every minute. The night of the graduation ceremony someone saw him blocking Gu Siyi in the corner. He didn’t stop kissing even when she cried. He bit her lips and said in a raspy voice, “I’m going crazy…”
During college finals, Gu Siyi almost bursted out crying, “I’m such a failure. I won’t be able to find a good job in the future…And if I can’t find a good job, I can’t provide for myself…”
Xia Zhijun played with her pink earlobe and remarked, “I’ll take care of you.”
After they graduated, Xia Zhijun created a research company and Gu Siyi became the boss’s wife.
The commercial rocket, “Star of Siyi” was successfully launched. So everyone knew that the new technology superstar, Xia Zhijun has a wife who he spoils a lot.

- Description from Novelupdates

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

A kind girl falls in love with a vicious killer. Unhinged Yuri story set in Seoul.------“Like a prey waiting with a trap, I missed my predator.I missed her touch in the places I’ve never been touched.I wanted to hear her sing the songs that I’ve never heard.”------As the blood dripped off the knife she held firmly in her pale hand, I saw my reflection in the cold blade that had just taken the life of a man.I dreamed of magical moments like this every day.Something - someone to come and free me from the suffocating monotony of normalcy.She stormed into my life brandishing death, and in the moment of madness, my heart fluttered.Then she came to my place, uninvited. I treated her wounds and fed her. She slept on my couch like a cat. We started our lives together. Death bound us like the knot of tie I fixed for her as she left for work - to kill, kill, and to kill again.I spent countless nights sitting in darkness, on my couch hugging my knees, gripped with worry and excitement. I prayed for her safe return home, but I did not pray for the souls she’d be sending to hell.But she always returned, like a stray cat coming for food in the back alley behind a restaurant. I was the cook who put out the food for her, stroked her, and gave her shelter.A stray cat. A great feline predator. She was mine and mine alone.Together we laughed, alone I cried.Together we laughed, alone I cried.But I think we also loved.I think.------This is a dark and twisted psychological slice-of-life romantic comedy with a sprinkle of inspiration from the noir genre. If that doesn’t make sense, it’s because it doesn’t.