Was there a novel where the protagonist's boyfriend got together with her best friend, but the protagonist got together with his brother?

I recommend "Getting Married by a Mistake: The CEO Is Too Difficult to Flirt With" to you. This novel is about a modern aristocratic family. The female lead was originally planning to marry her boyfriend, but her boyfriend eloped with her best friend. After the car accident, the female lead met the male lead, Xiao Muchen. In the end, she married his brother, Ruan Ruiqi, the son of a wealthy family. I hope you like this fairy's recommendation. Muah ~😗

The female lead of the book " Korean Entertainment's Single Dad " was a celebrity. She was reincarnated into a Korean man with the same name after being hit by a car.

This was a story about love and friendship. The female lead originally had a boyfriend, but the boyfriend later went to jail. The female protagonist was very concerned about her boyfriend and decided to help him. Hence, she got together with the male lead. The male protagonist and the female protagonist had been together for three years, and they had experienced many difficulties and challenges, but they had always supported each other and finally overcome everything. In the process of getting along, the male protagonist gradually fell in love with the female protagonist, and the female protagonist gradually realized her mistakes and deeply hurt the male protagonist. Finally, the female protagonist realized that she should cherish her boyfriend and friends and decided to break up with the male protagonist and start her own life again.

Yes, I recommend "Marriage by Accident: The Revenge of the Gossip CEO's Wife", a modern romance novel about a wealthy family. Her best friend betrayed her, her boyfriend cheated on her, and the female protagonist was sent to prison for three years because she accidentally killed their child. On the first day she was released from prison, she had provoked the noblest and most authoritative man in the city, Lu Jingchen. The female lead became Mrs. Lu, the envy of all the women in the city. At the same time, she conspired with Mrs. Lu's husband, Lu Jinchen, to take revenge. I hope you like this fairy's recommendation. Muah ~😗

The information you provided is not detailed enough. I am unable to confirm whether you are talking about the plot of a novel or your own experience. If you can provide more context and details, I will try my best to provide you with a more accurate answer.

I recommend you a modern romance novel,"It's Just You After All." After the female protagonist split up, in order to get the male protagonist's love, she made an agreement with Jiang Ruoli to smear the original female protagonist and turn her into a bad person. The male protagonist did not know about it. In the end, the male lead chose the female lead, and the two of them ended up together. I hope you like this fairy's recommendation. Muah ~😗

In the ancient romance novel " The Light of Tongxi," the protagonist faced two sensitive and opposing identities, wandered between two beliefs, and faced the love mystery of two opposing men. Therefore, the female lead and the male lead were enemies at the beginning, but there might be developments later. I recommend this novel to you. I hope you like it.😋

I don't know anything about the novel Dragon Something. Can you provide more context or plot details so that I can better answer your question?

The plot in the book, How She Revealed Her Deep Feelings, matches the information provided. I recommend this novel to you! In the book, the female protagonist, An Yi, was told that she had lived for her sister since she was young. She married the male protagonist, Song Youchen, because her sister did not want her anymore. In the male protagonist's eyes, she was a bad woman who prevented him from being with his sister. Later, after the child was born, the male protagonist threw down the divorce agreement and left her. Obviously, An Yi knew the male lead earlier than her sister. Why couldn't she get the male lead's approval and love? After the divorce, An Yi disappeared without a trace. The male protagonist had been searching hard, but he could not find any trace of her. The short story category of this novel also matched the given information. I'm sure you'll like this novel. I hope you'll like my recommendation.😚

The online novel was called " Favor Under Military Uniform ". It was about the female lead, Ye Lin, who met her boyfriend's brother after being cheated on by him. He was a soldier, and the two gradually fell in love and got married. In the novel, Ye Lin was originally a happy woman, but her boyfriend's cheating made her fall into pain, but she finally chose to face it with strength. With the company of her boyfriend's brother, she gradually walked out of the shadow and found her own happiness again.