I recommend a novel about the male protagonist and the female protagonist's feelings for each other gradually deepening after falling in love at first sight until the female protagonist gets pregnant and gives birth.

The male lead was forced by his best friend to attend a party and met the female lead. He did not despise the female lead because her mother was the owner of a nightclub. . . . After the heroine found out that she had a child, she found out that the two of them were half-siblings, so she left him. A few years later, the two met again, and the misunderstanding was resolved.

Answer 1

"One Child with Two Treasures: Abduct a Daddy to Send Mommy" is a modern romance novel written by the author Shunzi. The general plot of this novel is:

After three years of hard work, she got pregnant. She excitedly went to share it with him, but she bumped into him accompanying his sister-in-law to a pregnancy test. She said goodbye in tears, but he did not try to persuade her to stay. The two of them, who were about to end their fate, were completely intertwined because of a fire. Five years later, she returned with Cute Baby and was determined to dig out his heart and grind his bones to take revenge. However, when Meng Bao saw the man, her eyes lit up. She hugged his neck and said coquettishly,"Handsome Uncle, you're so handsome. I like you so much!" Can you marry my mommy?" "My mommy needs a man, and I just happen to need a daddy." A certain woman burst into tears on the spot."We're here for revenge, not to acknowledge our father, hey!"
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The book "I Want You to Fall in Love with Me" was written by the author, Ye Laixiang. He wrote a modern romance novel about love and marriage. The general plot of this novel was:

Her husband was in the wrong first. He refused to go home for all sorts of reasons, and then he threw the divorce agreement in her face. At the critical moment, the tall and handsome man reached out his hand to her with his four-year-old son."Our son is already so old. It's time to give him a sister!" She was stunned.
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"Crazy Young Master's Blind Wife with Memory Loss" was a modern romance novel written by the author, Zuo Erqian. The general plot of this novel was:

She loved him so much that even when she rushed home overnight with the good news of her pregnancy and witnessed the unbearable scene with her own eyes, she stubbornly believed that he had not betrayed her. However, she could not stop the cracks in their happy marriage. Even after she gave birth to their child, she still lost herself in the end. They met again four years later. She was wearing an engagement dress and holding her gentle and elegant fiancé's hand. A man with a shocked face held a cute loli and pulled her back. However, her blind eyes were filled with confusion."Sir, do we know each other…"
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"When I Meet You, I Have No Way Out" was a romantic youth-love novel written by the author. The general plot of this novel was:

He was a mysterious existence.
When they first met, he had shown her his deep affection.
If they met again, he would propose to her in public.
Why was she asking him angrily? He said,"Because in this life, I only want you to bear my children!"
Little did he know that the truth was actually like this…
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Because I met you "was a modern romance novel written by the author on the 19th of November. The general plot of the novel was:

I got pregnant overnight, and the fetus stopped developing. My mother-in-law suggested finding another woman, and I didn't agree to divorce her. I thought it was just a small matter, but in fact, my husband had a son outside a long time ago. The mother of the son is actually my sister…
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"One Baby, Two Treasures: The Mysterious Husband Can't Be Trifled With" was a modern romance novel written by the author, Shen Shen-chan. The general plot of this novel was:

Three years ago, in order to save her father, she had no choice but to choose a surrogate pregnancy. She did not want to be framed by a scumbag stepmother and lose everything. Three years later, she returned with two more meatballs and became Mrs. Gu in name only. A pair of twins and a handsome husband? What the hell was this…
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"I Want The Perfect Lover" was a modern romance novel written by the author, Zhi Lu Gui Tu. The general plot of this novel was:

She and he were originally from two different worlds. She was a young girl who had just graduated from university, and he was a successful CEO with a prestigious status. The two men and women who had never interacted before had no choice but to be together because of the "child betrothal" set by their two grandfathers.
Originally, the two of them had made an agreement. Then let's put on a show together to appease the two grandpas first before we think of a way to separate." The two of them were amiable and discussed. They happily accepted the arrangements of the two old men and "tied" each other together.
The real play was fake, and the fake play was real. Later on, they both broke their promise. She fell in love with him, and he fell in love with her too. Since she had fallen in love, then let her be. Love must be pure, sincere, perfect, and incisive.
She was young, lively, smart, sensible, and capable.
He was a handsome gentleman, wise and steady, devoted and perfect. This was the author's most heartwarming story. The male lead was gentle and devoted, while the female lead was smart and lively. The two of them were a match made in heaven. Behind a great woman, there must be a gentle and devoted man. The female protagonist was a young girl who graduated. Under the cultivation of the male protagonist, she grew up step by step into a virtuous and beautiful wife, a gentle and virtuous mother, and a courageous and capable perfect queen in the workplace!
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When We Were in Love was a modern romance novel written by the author, Qiao Xiao ~ Pan Xi. The general plot of this novel was:

He had watched her grow up since she was young. He had been holding her in his hands and doting on her. He had been waiting for her to grow up and plunder her entire heart. He had been indulging in his love for her and could not extricate himself. One day, she suddenly told him that she had someone she liked and wanted to live with. Blessing? Plunder? How could he accept this! Let's see how they perform the big show of marriage...
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"One Baby, Two Treasures: CEO Daddy Is So Happy" was a modern romance novel written by the author, Manyue. The general plot of this novel was:

Once she gave birth, one became two. Was it a gift from the heavens or was it fate? She buried everything in the past. Four years later, he was the cold CEO that everyone looked up to. She returned with her daughter, but who knew that she had not even gotten off the plane…She followed her daughter's finger and looked at a cute baby and a cold man. The two of them looked very similar…
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The book,"Marriage Pet, Beautiful Wife Attack" was a romantic youth-youth love novel written by the author, Yi Po. The general plot of this novel was:

She, when she was a baby, had a sudden family accident and left her hometown with her mother. He, talented, but forced by his parents to marry a hag. As time passed, they met under the arrangement of fate. When she suddenly had a fever and was isolated for treatment, it was him who was not afraid of life and death and still protected her. When he was depressed and dispirited, it was her who used her sincerity and enthusiasm to give him hope to live again. Just like that, they met, got to know each other, fell in love, and faced the test of life and death together. However, just as everything was developing towards a beautiful vision, an invisible black hand slowly stretched out towards them again…