I recommend an ancient novel about a male protagonist surnamed Han who is a Jinyiwei and marries a seriously ill woman, Tang Qin. Later, he is replaced by a real female killer to search for something in the mansion.

I recommend the following ancient novels where the female protagonist is sick or seriously ill, and the male protagonist is considerate and gentle: 1. In "The Flawless Beauty," the female lead, Zhou Linlang, was considered a jinx, but there was a male lead who took care of and protected her, creating a beautiful future together. 2. In <<Medicine Fragrance Princess Consort>>, the female protagonist saved the male protagonist's life many times and unfortunately became pregnant. The male protagonist admitted his responsibility and created a happy family for her. 3. In "The Reborn Daughter's Counterattack", the female protagonist suffered unfair treatment from her family after her rebirth, but the male protagonist never left her and always cared for and supported her. In the end, the two of them fell in love. I hope you like this fairy's recommendation. Muah ~😗

" The Fierce Bodyguard Woman " was a soldier novel. The male protagonist was Tang Jin, and the female protagonist was Qin. The male protagonist was a bodyguard protecting the female protagonist. The novel told a series of stories about Tang Jin, who became a soldier king and protected Qin Ning. In the story, there was a subtle emotional entanglement between Tang Jin and Qin Ning, but it also involved other complicated interpersonal relationships and conspiracies. The novel's plot is compact and the writing is beautiful, which is very popular among readers.

😋It's an ancient novel. The male protagonist becomes a killer in order to support the female protagonist. The female protagonist will fall ill on rainy days. I hope you like my recommendation.😗

My answer might not be suitable for your question. Could you provide more background information or specify the name of the novel? This way, I can better provide you with help.

When the male protagonist fell ill, the female protagonist might go to visit him and show her talent and charm in the process. The male protagonist's family might object to her getting close to him, but the female protagonist might use her wisdom and kindness to resolve the misunderstanding and finally win the male protagonist's heart.

I recommend "Rebirth: A Carefree Residence in the Field" to you. The female lead, Dong Shujing, is a girl who has decided to stay away from her scumbag cousin and transmigrated cousin. She has found an honest and reliable man to marry, has a bunch of white and tender little buns, and lives a beautiful life in the countryside with her parents and brothers. However, the male protagonist did not like her and married the woman he truly liked. I hope you like this fairy's recommendation. Muah ~😗

"Charge to the Emperor" meets your requirements. It tells the story of the main character, Tang Yueheng, who became the emperor and went to war. It is also an ancient romance novel. I hope you like this fairy's recommendation. Muah ~😗

I recommend "Wifey, Don't Blame Me". This was an ancient romance novel. It told the story of the female protagonist, Han Zhenzhen, who had to endure hardships and taste courage in order to take revenge. She changed her name to Ye Chunhua, and in order to please her enemy, she used all kinds of temptations to fulfill her engagement. I hope you like this fairy's recommendation. Muah ~😗

She recommended "Reborn Movie Queen She Got Shuang Wen's Script". The male lead's surname was Tang, and the female lead was an actress. This book was about the female protagonist's successful comeback after her rebirth, but she was slapped in the face by reality time and time again. In the end, she met a man who could really dote on her, Tang Wanwan. I hope you like this fairy's recommendation. Muah ~😗

I recommend the following novels to you: 1. [The Rebirth of the Peerless Ice Fairy: The female protagonist became a peerless genius in her previous life, but she died from serious injuries because her family was destroyed and she was hunted down.] After her rebirth, she became the daughter of a poor girl and stepped into the cultivation world again, becoming the strongest person. 2. <<Reborn Landlady>>: The female protagonist was reborn into a farming family after a car accident in her previous life. She was seriously ill and abandoned by her family. She was determined to save herself and use her own hands to transform Steamed Bun's parents and plant a land of wealth and splendor. 3. "The Goddess's Personal Divine Doctor": The male protagonist obtained supreme medical skills when his mother was seriously ill and became a free and unfettered fairy doctor. I hope you like this fairy's recommendation. Muah ~😗