I recommend a sadomasochistic novel. The male protagonist is the brother-in-law of the female protagonist. The two of them have a son, and the female protagonist takes care of them for a long time.

Hey, I recommend a novel to you. It's called " Honey's Late Marriage." The male protagonist was the brother-in-law of the female protagonist, but he had not married the female protagonist's sister and was a soldier. This novel was a modern romance novel about a wealthy family. It described the story of the male god that the female protagonist had a crush on for many years becoming her brother-in-law. She began to choose to distance herself from him, but her brother-in-law continued to pursue her. I hope you like my recommendation.😗

There was a modern urban life novel called "Rebirth: Crazy Adoration of the Evil Woman", in which the male and female protagonists were on the verge of betrayal. The female protagonist was an extremely smart and black-bellied person. Those who betrayed her suffered retribution. Finally, the male protagonist had to face the consequences of betrayal. I hope you like this fairy's recommendation. Muah ~😗

Without more context, it's hard to say who the protag is. It could be anyone from a young rebel to an old sage.

Such a plot in novels was usually called the " guardian setting " or " family setting." This kind of plot often appeared in romance or fantasy novels, allowing the protagonist to have a special identity to protect or guard the heroine. Among them, the more classic novels included " Why the Silent Flute,"" The Poisonous Daughter of a Concubine,"" Hua Qian Gu," and so on.

The name of this novel might be called " Fuyao ". It was a popular fantasy web novel that told the story of the female protagonist, Fuyao, and her sister, Empress Fuyao, as well as the story of their siblings 'struggles and growth. In this story, the brother-in-law of the female protagonist likes the female protagonist, and the male protagonist is trapped in another world because of war injuries. However, he still cares about the female protagonist and helps her through many difficulties.

There was a novel in which the male protagonist with the word 'Xin' in the female protagonist's name was the brother-in-law of the female protagonist called " The Happy Road to Rebirth." This novel was a modern romance novel about a reborn woman who returned to the early 20th century and used modern knowledge to live in ancient times. In the novel, the female protagonist was called Zhang Xin, and the male protagonist was her brother-in-law. There was a touching love story between the two of them.

The following are some recommended sadistic Xianxia novels, in which the heroine is abused: 1. " My Dao Companion Has a Sweetheart ": The male lead is the favored son of heaven, and the female lead is a cold and emotionless god. The two of them abuse the woman first and then the man. The story is about the man being strong and the woman being strong. 2. [On the Altar]: The female protagonist is a nameless woman, and the male protagonist is Han Hua, a Shangxian. His magical power is profound, cold, and not touched by any love. The protagonist experienced three lifetimes of infatuation. He was attacked by the love of his heart and gave three lifetimes of love. His primordial spirit was almost shattered. In the end, the attack suddenly realized that he loved her deeply and frantically tried to save her. 3. " Cloud Make-up Flower Marriage ": The protagonist is a fox demon, and the male protagonist is a demon hunter. The two of them roam the Jianghu together, subduing a small demon that harms one side, and secretly have feelings for each other. However, after a misunderstanding, the male protagonist drew a knife against the female protagonist and took her heart away. Please note that the novels recommended above may contain sadomasochistic plots, which may cause emotional discomfort.

[Title: Shangguan Xi's Wife]

There are a few novels that meet your needs. Among them," Joy of the Ember " was an ancient novel. The male protagonist was the brother-in-law of the female protagonist. The story was full of drama and suspense. In addition," Your Majesty, Your Character Is Broken " was also a sadomasochistic novel. The male protagonist was the brother-in-law of the female protagonist. The two of them had a son, and the female protagonist took care of them for a long time. There was also " Late Marriage in Love." The male lead was the brother-in-law of the female lead, but he had not married the female lead's sister and was a soldier. This novel was a modern romance novel about a wealthy family. It described that after the male god whom the female protagonist had a crush on for many years became her brother-in-law, she began to choose to stay away from him. However, her sister's obstruction and the male protagonist's insistence made their relationship complicated. The above is a novel recommendation based on the search results provided. I hope it can meet your needs.

Here are a few recommended novels about the main character's brother-in-law: 1. The Best Zhuang Yan in the World Author: Please Call Me Mountain King. This novel was about the brother-in-law love story between Yu Wanwan and Zhuang Yan. Yu Wanwan met Zhuang Yan when she was 28 years old. There was a 6-year age gap between them. Zhuang Yan was autistic, and Yu Wanwan had been accompanying and taking care of him. 2. " Ember Joy " was an ancient novel. The male protagonist was the brother-in-law of the female protagonist. The story was full of drama and suspense. 3. " Your Majesty, Your Character Is Broken " was a sadistic novel. The male protagonist was the brother-in-law of the female protagonist. The two of them had a son, and the female protagonist took care of them for a long time. I hope that the novels recommended above will meet your needs.