Sword Art Online - Vol 4 Chapter 9

A car accident left Mu Lan, who was about to get a divorce, with sudden amnesia.Gazing at the strange man before her claiming to be her husband, Mu Lan was speechless. Could her taste really be that terrible that she chose a man with a poker face?“Whether I was blind or out of my mind before, since the heavens have granted me amnesia, this is an opportunity to start anew.So, this marriage, I'm definitely ending it!”However, no one can escape the so-called 'True Fragrance Law.'Not only did she fail to get the divorce, but she also ended up investing herself into it....Tingxiao never expected to suddenly find charm in the woman he had married for seven years and hardly bothered to look at more than once, all because of her amnesia.But even though they had agreed that once her family overcame their difficulties, they would go their separate ways, he found himself unable to let go.“Tingxiao, you're shameless, breaking your promise and growing fat from it.”“If I'm fat, I'm fat; for my wife, I accept it!”

“Welcome to the Punishment Zone, scums.”

“Please tear the masks of pseudo-gods into pieces here.”

“However, you must remember—the time for slaughter takes place only after sunset.”

- Description from Novelupdates

Marcella Valemont was a villainess wrapped in silk and thorns.The alluring, selfish daughter of the High Priest, she was forced into a cold marriage with the Black-bellied Duke Berith Montclair. She longed for power and would stop at nothing to claim the crown, even if it meant seducing the incorruptible Crown Prince Lucian and clawing her way to the throne into becoming the Queen.Until it all burned.Her ruthless schemes led to betrayal, rebellion, and ruin-- an empire on its knees, a virtuous king destroyed, and a rebellion led by the man she discarded. Desperate and full of regret, she barters her life with the Duke to save Lucian.In an interesting turn of events, Marcella gets to go back in time to fix her wrongs, save the man who was ruined because of her and hopefully stop the bloodthirsty rebel Duke Berith.She finds herself reborn as her 18-year-old self with a chance for a do-over and vows to do better this time.But the past does not forget. Nor does the devil in her husband’s skin.Secrets long buried begin to surface, and Marcella discovers that her former husband is far more than he seems—a man cloaked in darkness, harboring a purpose that threatens everything she holds dear.They say second chances come with thorns and to fix the past, she must trust the devil who destroyed it.

As childhood sweethearts, they were made to engage under the manipulations of their families. It involved having to to live in the same room and sleep together.

One night, she is accidentally made drunk, and in his delirium, he kisses her only to realize he enjoys it. From time to time, he would sneak a kiss on her, but his “crime” is eventually discovered in an accident. After being accused by her, he says with a smile, “You are my wife, why can’t I kiss you?”

The two people’s daily routine is full of bickering and mutual discrediting of each other.

Although he claims to disparage, he actually cares intensely about her. He feels crazily jealous when she is close to other men, to the point of tying her to his side, so that she becomes exclusively his.

- Description from web