May I ask what the title of this book is? The heroine of this book has returned to the modern world because of the male protagonist's use.

The medium of returning to the modern world was the tears of the male protagonist and the blood on his heart. Later, the male protagonist also transmigrated to the modern world and became a star. Then, he was forgiven by the female protagonist and got together. What is the name of this novel? In the middle of the plot, the female protagonist was sent to the cold palace by the male protagonist. There was a concubine who pretended to be crazy in the cold palace. The male protagonist married another woman while the female protagonist was in the cold palace and even got the woman pregnant.

Answer 1

I don't think it'll necessarily meet your needs, but I'll try my best to recommend a novel that's most relevant to your description."The Female Supporting Character Has Gone Dark" is a modern romance novel written by the author, Stable. The general plot of this novel is as follows:

She had transmigrated because of a car accident, but she had transmigrated into a novel that she had just read! Her identity was still just a female supporting character who was cannon fodder. She had no choice but to get to know the villain Boss in the novel. In order to protect her life and her family's safety, she hugged the other party's thigh tightly! Let's see how the little cannon fodder will outsmart the female lead, hook up with the villain, and make a name for herself step by step!
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"Lust in Modern Times" was a modern romance novel written by the author, Zi Youfeng. The general plot of this novel was:

A person who had experienced the pain of life, under the guidance of a ring, traveled to a modern city.
Fate had given her a second chance, but it had also given her three men with different personalities, backgrounds, and schemes. Among the three men, who was the one she was destined to meet in her life?
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"A Guide to the Righteousness of Villains" was a short story written by the author, Ming Yue Jiao Ran. The general plot of this novel was:

After she transmigrated, she became cannon fodder that was killed by the villain the moment she appeared. In order to survive, she threw the villain into the wilderness on her wedding night. She thought she had succeeded, but who knew that this guy would return and insist that she be responsible! He was a villain who wanted to take revenge and destroy the world after his rebirth. In the end, before he could take revenge, he was snatched away by a woman to be her live-in son-in-law. She flirted with him, kissed him, got him drunk, and finally abandoned him... The male protagonist was constantly chasing his wife, while the female protagonist was busy beating up scumbags, fighting white lotuses, and doing her task of matchmaking. A certain woman: How can I have the time to fall in love before my career is successful? [A certain man: Before destroying the world, let's fall in love first!]
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The book,"Cross-dressing as a Man: The Reborn Enchantress's Eternal Love," was an ancient romance novel written by the author, Yao Yan. The general plot of this novel was:

A red card killer. She, who had a limitless future, had actually transmigrated to ancient times! This transmigration game was really too tragic. He was almost instantly killed the moment he transmigrated. He fought with his stepmother and fought between two handsome men. Memory loss was fine. Don't worry, a big wave of idiots is coming! More and more mysterious people appeared to help her. Let's see how she will get rid of this huge conspiracy and fight with the man she loves the most...
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The book,"The Male Lead, You've Taken the Wrong Script" was a sci-fi space-time travel novel written by the author when he was young. The general plot of this novel was:

Chu Xia was a lonely ghost who was obsessed with becoming a god. Although she had no memories and did not know why she wanted to become a god.
One day, a system that claimed to be able to help her become a god found her and said that it wanted to bring her to do a mission. Since she had nothing to do anyway, she would go.
Eldest Daughter, Our Mission Is To Make The Supporting Female Lead Happy.
Chu Xia: Understood!
To make the supporting female lead happy, wasn't it to stay away from the male and female leads, to not provoke the male and supporting villains, to focus on studying and working, and to reach the peak of life? She understood, she understood.
But why was the male lead looking at her with a strange gaze?
Later, Chu Xia found out that it was not the male lead who took the wrong script, but a petty man who tried to get her into his arms.
Both the male and female protagonists of 1v1SC had a system, and the male protagonist would lose his memory later on.
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"The Return of the Reborn Female Boss" was a modern romance novel written by the author, Superhuman Robot Bear. The general plot of this novel was:

Liu Muyin was an outdated celebrity who was killed by her fiancé and a celebrity friend. She transmigrated to a silly and sweet finance student who was about to graduate. She kicked away her silly and sweet scumbag boyfriend and hooked up with a high-quality senior. She entered the financial circle from ignorance and gradually gained a foothold with the experience accumulated in her previous life. Then, she gradually accumulated wealth with her senior's boyfriend, fell in love, and laughed at the situation. In the end, she worked hard with her boyfriend to achieve success. The female lead was Liu Muyin. The male lead was Jiang Xisheng. Male supporting roles: Yang Congzhang, Li Wanning. Supporting actresses: Li Wanying, Jiang Jingmei.
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"The Host Is Scumbag and Willful" was a sci-fi space-time travel novel written by the author, Qi Mengyan. The general plot of this novel was:

Mu Rao, who had been scolded by her ex-boyfriend as a scumbag, had gotten into a car accident in order to save her new little brother. His consciousness had awakened once again. He was actually forced to bind himself to a system called Boundless Merit just because he saved a life? And he was forced to complete the mission? However, the host seemed to be a little willful to act as a system! In the book's table of contents, there were the following chapters on the cross-dressing of women as men: Chapter One: When the wedding is in progress (The Son of Vengeance VS The Affectional Tyrant) Chapter Two: The Attack of the Transfer Student (The Tsundere Academic Genius VS The Black-bellied School hunk) Chapter Three: The Prince Can't (The First Advisor VS The Gloomy Prince) Chapter Four: The Prince's Substitute Marriage (The Arrogant Prince VS The Bigoted Prince) Chapter Five:Boss Asking for Guidance (The Full Level Big Boss VS The Online Game Boss)
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"The Reborn National Prince Charming Is A Girl" was a modern romance novel written by Quan Nian. The general plot of the novel was as follows:

The god-like mind of the king of secret agents that everyone feared had been reborn, but it had become the Quan family's infamous trash. Useless trash? Seeing that she had the art of golden words, she could decide life and death with one word. With a silver needle in his hand, he could casually move his fingers. He was a business genius, the top scorer in the country, a movie superstar, and a superpowered god of war. Su Bao attracted everyone's attention! Quan Nian had once again become a legend, standing at the peak of the world. But who could tell her what was going on with the person who came to climb through the window every night? One day, she was suddenly targeted by Master Huo, who was so powerful that he would follow her wherever she went. He chased after her crazily, supported her, and helped her bully scum. She was so angry that she made a fist gesture."If you continue to cause trouble, I'll beat you up!" The man placed the dagger in her hand."You can only choose between loving me or killing me."
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"I Exterminate the Male Lead Again" was a sci-fi space-time travel novel written by the author, Huo Luanyao. The general plot of this novel was:

Jian Yi suffered from the Innate Apathy Syndrome. In the end, she committed suicide because her life was too dull and she lived too clear-headed…Thus, her punishment came. Her soul was bound to the Revenge System 303 and she was assigned to the small world of the 3,000 planes to help the female protagonist of the plane take revenge. However, after experiencing the first plane world, she realized that she seemed to be involved in a conspiracy. As she experienced more, she gradually gained the ability to sense emotions, but she also stumbled and became a person of flesh and blood. If you always feel that there is a pair of eyes staring at you from behind, then please believe that those eyes are real…
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"The Villain Has Bewitched Again" was an ancient romance novel written by the author Han Mo. The general plot of this novel was:

She was domineering, vicious, and unscrupulous. She was a vicious supporting actress who kept harming the female lead and snatching the male lead. She was a treacherous official, constantly harming loyal officials and seizing power. She plotted to usurp the throne, colluded with the enemy, betrayed the country, and rebelled!
The supporting male character said,"Kill the male lead, I'll be the male lead!"
The cannon fodder expressed that they cherished their lives and stayed away from the female lead!
The supporting actress expressed,"Defeat the male lead, defeat the female lead!"
The protagonist was neither transmigrated nor reborn. She was a complete villain.