Sadistic novel, seeking the author's name and title. The male lead is a gang leader, the female lead works in a nightclub and has a younger sister. Her background is in the mainland, not a small romance station.

Let me recommend a novel to you. It's called "The Return of the Reborn Female Boss." The male lead was not a gang leader, but the female lead, Liu Muyin's ex-fiancé and her superstar friend had joined forces to kill her. Later, Liu Muyin was reborn in the body of a female finance student. In order to take revenge, she kicked away her silly and sweet scumbag boyfriend, hooked up with a high-quality senior, and gradually entered the financial industry, becoming a female boss. I hope you like this fairy's recommendation. Muah ~😗

There were many novels where the female lead was an undercover and the male lead was a gang leader. Some of the famous novels included "Undercover Gang","Gangster Woman Undercover","Gangster Lady" and so on. These novels usually described the heroine's experience as a spy in the gang and finally succeeded in exposing the gang's crimes and fighting for justice. The male lead was usually a powerful and charismatic mafia boss. The interaction between him and the female lead was full of emotions and challenges.

I recommend "Pay Attention to the High Sweets Ahead." The male lead is a gang leader and the female lead has a heart attack. I hope you like this fairy's recommendation. Muah ~😗

The information you provided is not enough for me to find the novel you want. Can you provide me with more context or description so that I can help you find the novel you want?

I recommend the book "Super Killer by Your Side" to you. It is also an urban novel with an assassin as the main character. The female protagonist is also an assassin, but unlike other novels, she was once the No.1 assassin in the world,"Zero." Her original halo was overshadowed by an accident and fell to the bottom. The male lead was the king of the assassin world and a legendary figure. The plot of the novel was full of intense killing and chasing, as well as the psychological warfare and emotional entanglement between two protagonists with different personalities and backgrounds. I hope you like this fairy's recommendation. Muah ~😗

The following are some recommendations for novels where the female lead is a celebrity: 1. " Reborn Goddess of the Entertainment Industry ": The female lead becomes the goddess of the entertainment industry after her rebirth. She takes revenge on the male lead. It's a novel worth reading. 2. " My Idol's House Collapsed Again ": The female lead was a celebrity who turned from a beauty fan to a career fan. She started the story with a shy and black-bellied male lead. The ending date of the novel was August 2022. 3. " My Wall Is All Over the Entertainment Circle [Transverse Books]": The female lead was a beauty lover who was very good at taking photos. She started the story with the male lead who was a three-gold-medal actor. The ending date of the novel was June 2021. Please note that the recommended novels above are filtered based on the search results provided. There may be other novels that meet the requirements that are not included.

I recommend the book "100 Rules for Substitutes". The plot was about Shen Nianyun becoming a substitute for a gang leader and falling in love with Chu Zihao. The book's style was relaxed and humorous. The interactions between the male and female protagonists were very interesting, and there were many thrilling plots at the same time. I hope you like this fairy's recommendation. Muah ~😗

I recommend the modern romance novel "Breeze Like You" to you. The female lead Luo Weiwei started working in a nightclub to earn money. She met the male lead Chen Yue by accident, and the love story between them began. I hope you like this fairy's recommendation. Muah ~😘

😋I have a novel to recommend to you. It's called "A Billion Brides." It was a modern romance novel about a wealthy family. The female protagonist, Mu Xinyue, was an ace killer. When she was looking for a job, she was interviewed by the male protagonist, who was now a billionaire. As the plot progressed, there was not only a strong love between the two, but also a complicated life entanglement. I hope you like this fairy's recommendation. Muah ~😗

"My Wife Is a Big Boss" is a modern romance novel written by the author, Yuehua, who is my favorite. The general plot of this novel is as follows: Those who knew the Ling sisters would say that Ling Zhaoyang was the moon in the sky, and Ling Chaoxi was the reflection of the moon on the sea. The two of them were too different. Not to mention that Ling Chaoxi had become a joke in the capital because of Ye Xiu. In the eyes of others, Ling Chaoxi was just an idiot. After her rebirth, she no longer loved Ye Xiu 'an and only lived for herself. He was talented and cold, but he was willing to lower his head for her. The mistakes in his previous life were repeated in this life. This was a story of meeting the right person at the wrong time. ---------------------------- "Feng Qiqing Awakens in Early Spring" was an ancient romance novel written by the author, Ling Yiyun. The general plot of this novel was: In her previous life, Yu Ruoqing worked hard to help her beloved ascend the throne. In exchange, Ling Jinchen had personally sent her on a path of no return. Since he had the opportunity to start all over again. In this life, she would definitely make those ungrateful people get what they deserved. ---------------------------- Young Master Feng's True Love, Cold and Dainty Wife's Love to the Heavens was a modern romance novel written by the author, Hua Jianxi. The general plot of this novel was: "Xia Xi, the woman I love is Fang Qing. Don't be so shameless." "Xia Xi, you're just a bastard that was picked up. You don't deserve to compete with me." Three years ago, the image of Executioner was still vivid in his mind. Xia Xi had returned once again. The man who had once said that he didn't want her, in the blink of an eye, tortured her in another way. "Xia Xi, be my secretary." "My house still lacks a nanny." ---------------------------- "I'll Give You Half a Lifetime of Ice Cold" was a modern romance novel written by Eleven Mian. The general plot of the novel was: An Yanlin, a rookie in the workplace, was puzzled by Mu Chen's provocation when he faced the big BOSS. "You owe me," said Shi Muchen. "What do I owe you?" An Yanlin asked. It turned out that she had lost her memory. What exactly caused An Yanlin to lose part of his memory? She could remember everything except Shi Muchen? What was even scarier than amnesia was that she suddenly recalled everything that had happened in the past, only to realize that she could not be with Shi Muchen. Hence, she escaped. Fate had arranged for them to meet again. Shi Muchen was already engaged to Ling Fei, but he said,"This time, I won't let go." If I can't get it, no one else can." However, An Yanlin still married Ling Fei's younger brother, Ling Mofan. At this point, the Shi, Ling, and Xiao Clans were entangled together, and An Yanlin had nowhere to run. What was Ling Mofan's motive for marrying An Yanlin? What was the truth behind An Yanlin's amnesia? What else could Shi Muchen's love bring other than a lifetime of coldness? ---------------------------- "Goodbye Youthful You" was a romantic youth-and-pain novel written by the author, Thawing Frost. The general plot of the novel was: Lin Shiyun met Shen Lingyun and Zhou Xiaofei when she was at her lowest. They were like a ray of light that illuminated her dark youth and warmed her cold world… ---------------------------- "The Wind Ends in the Old Forest" was a modern romance novel written by Gu Yuanxi. The general plot of the novel was: Who was Pei Chi? It was rumored that he was the illegitimate son of the Pei family in the capital. He was the Pei family's least favored second young master. He had a cold and arrogant personality, and he was hated by others. Who was Ling Gu? She is the only princess of the Ling family in the capital. She is talented, well-educated, and gentle. She was the first love of the entire internet and the daughter of the nation. Just like that, two people who had nothing to do with each other ended up together…at a press conference. Reporter: "Miss Ling, you have such a bright future ahead of you. Why are you with Second Young Master Pei…who is dressed in black?" Ling Gu raised his head and looked at Pei Chi,"You…are dressed in black?" Pei Chi did not hide it. Reporter: "Miss Ling, you didn't know about this. You were cheated?" Ling Gu pondered, It seems so. When the entire internet was in an uproar, Ling Gu spoke again,"I'm willing to be deceived." After all, I started with his looks, and I'm loyal to his looks." The reporter died. The entire internet collapsed. That year, the sun was just right, Ling Gu saw her and Pei Chi was deeply in love. The meaning of the fish in the pond thinking of the past was that Pei Chi thought of the past, stunning time, and gentle time. ---------------------------- "The Reborn General's Strategy" was an ancient romance novel written by the author, Hua Xunying. The general plot of this novel was: After her rebirth, she faced the jackals and scumbags in the manor. Ling Chuxia took a fancy to the crippled Duke Ping and worked together to form a contractual marriage. Fighting against scumbags, fighting against strange relatives, and stepping on enemies from his previous life one by one. He retreated after accomplishing his task, but unexpectedly, this crippled prince stood up. "You want to leave? No way." Ling Chuxia was forced into a corner. What happened to being gentle and kind? She wanted a refund! ---------------------------- Back in Youth was a romantic youth-and-pain novel written by the author, Xia Lian's Smile. The general plot of the novel was: When we were young, we were carefree. We had pure dreams, hazy love, and wasted regrets. As we grew up, we lost these distant memories. Ling Qiuling was an ordinary girl, but an accident had brought her back to her childhood. She wanted to see how Ling Qiuling would reinterpret her life. [PS: I have already completed the work "Please Wait, Young Man". Please feel free to collect it.] ---------------------------- "Black-bellied Noble Son Strikes with a Commoner's Savage Woman" was a romantic youth-youth campus novel written by the author, Mu Shu. The general plot of this novel was: [Main characters: Ling Ruoxi/Zuo Hanxi, supporting characters: Lin Xuanqi/Nangong Jun/Murong Yunxuan, etc. I just want to say that I have a different writing style.] ---------------------------- "Young Master Chen, A Beautiful Wife, Slowly Coax" was a modern romance novel written by the author, Dong Han Ye Zhi. The general plot of this novel was: They were biological sisters? Or a love rival? All the grudges were the result of being taken away at birth and meeting again after being separated for many years…