Please recommend a novel where the female protagonist and the male protagonist's sister are friends.

The Title of the novel: " The Daughter of a Concubine Is Poisonous "

I recommend "Reborn Pretty Daughter-in-law" to you. This is a modern romance novel. Although it's not an ancient novel, it fits the theme of the female protagonist's rebirth. The novel was about Lin Xiaoman's rebirth into a woman who was about to break off her engagement and start a new life. She refused to be manipulated by fate and showed her independent side. I hope you like my recommendation. Muah ~

😋I recommend "Cute Baby Tutor: Mistaken Cool Lawyer". The female protagonist of this novel was a tutor who was accidentally injured by her young master's father at work, so she became the private chef of Cool Lawyer. In the story, the female lead and the male lead were forced to get married and gradually understood and fell in love with each other. I hope you like this fairy's recommendation. Muah ~😗

According to the plot information you provided, I recommend "I Got Hooked Up With A Sick Male Lead After I Transformed Books" to you! The male lead is devilish and sick, and he dotes on his sister to the point of exploding. It completely matches the plot you described. If you have any other books that you need to recommend, feel free to look for me. I hope you like this fairy's recommendation. Muah ~😗

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.😗

😋I recommend the following novels to you: 1. " City Rebirth: Female Lead Under the Sky ": After the female lead was reborn, she met two important friends. The male lead followed her from another world, accompanied her to become stronger, and doted on her. Both male and female leads were very strong, abusing mistresses. In the end, the female lead became the number one in the world. 2. " The villain is my sister ": The female protagonist transmigrated to the apocalyptic novel to become the villain. She has a high IQ and is working hard to improve her strength. The male protagonist has a bottom line and love. The story is very interesting. 3. " Female Lead, I'm Your Sister ": The female lead transmigrated into a novel about a wealthy family. The female lead and the male lead's sister were good friends. The two of them supported each other in the process of fighting for the male lead's favor. The story was very interesting. I hope you like my recommendation.😗

😋I recommend a novel called "Love Is in Peace When You Meet It". The main characters are Ye Muxi and Zuo Siche. It tells the story of Ye Muxi's transmigration into the novel. The female lead, Ye Muxi, and the male lead, Zuo Siche, fell in love at first sight. However, the male lead was already very devoted to the female lead's sister, Gu Qing. After Gu Qing passed away, the male protagonist slowly found out that the person he liked was Ye Muxi. The female protagonist and the male protagonist's sister were good friends. The brother caused the male protagonist's sister to commit suicide for love, so the male protagonist came to take revenge. I hope you like this fairy's recommendation. Muah ~😗

"My Dangerous Billionaire Husband", a modern romance novel about a wealthy family, can satisfy your needs. The male protagonist, Lu Shaoming's younger sister, got together with the female protagonist, and the female protagonist got to know Lu Shaoming because of her sadness. I hope you like this fairy's recommendation. Muah ~😗

Hey, if you like modern romance novels, I would recommend " The CEO Is Very Careful When Courting His Wife ". The female protagonist of this novel caught her boyfriend and sister having an affair and was forced to sell herself as a maid by the best gigolo. When her indecent photos were everywhere and were despised by people, the best gigolo turned into a tall and powerful CEO and hugged him to tell everyone that he was the male lead in the indecent photos. The young master of the Smith family, who made people tremble in fear, spoiled her to the point where she was hated by everyone. One day, when the young master of the Smith family saw a treasured Japanese action anime on his wife's phone, he threw her onto the bed with a dark expression and taught her a lesson. If you like love stories and pure male leads, this novel is very suitable for you. I hope you like my recommendation.😗

The male protagonist was a LOL professional player, while the female protagonist was a player from the same PUBG team. The male protagonist was a senior sister complex who loved his sister very much. He named the team after his sister. In the story, the male protagonist was attracted to the female player of the neighboring team. This was a game competition-e-sports novel. I hope you like this fairy's recommendation. Muah ~😗