Can you recommend an ancient romance novel where the male protagonist is a part-time bounty hunter?

I remember that the male protagonist's nickname was Butterfly. At first, it was in the plot of the Prince's Mansion. Then, the female protagonist was chased out. The male protagonist used the identity of a bounty hunter to approach the female protagonist and teach her kung fu. Then, the male protagonist kept wearing a mask and gave one to the female protagonist. Later, the female protagonist also became a bounty hunter. I can't remember clearly, but in the end, they had a child. Then, there was a monster under the mountain villa where they lived. They sealed (or killed) the monster.

Answer 1

"The Ancient Star Chasing Record" is an ancient romance novel written by the author, You Biedou. The general plot of this novel is:

The princess of Tianyuan Kingdom had three hobbies, which were chasing after celebrities, gossiping, and being a fan.
The ruler of the Xuangong Kingdom had three loves: gold, silver, and jewelry.
"What does the country ruler think about chasing stars?"
"I feel that the princess is generous and beautiful."
[Princess: Are you an idiot?]
"What is this big brother holding in his hand?"
"The author asked me to bring you a piece of equipment. He said that you'll need it in the future."
Princess: Who is the author?
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"The materialistic princess: My husband is a warm baby" was an ancient romance novel written by the author, Breeze Noko. The general plot of this novel was:

A group of people drifting in the north to ancient times, crossing time and space to fall in love, going back and forth dozens of times, kidnapping a prince to deliver food... The plot is fictional, please do not imitate.
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"Crazy Concubine is Poisonous: Please Come and Take Her Highness" was an ancient romance novel written by the author, Xiao Qinghan. The general plot of this novel was:

On the first night after she transmigrated, that handsome man wanted to take responsibility for her, but she took his money and ran away. Thus, the respected Third Prince of the Tianqi Kingdom began his long journey of courting his wife…
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"Young Master, Your Family Has a Throne to Inherit" was a modern romance novel written by the author, Momo Qingqing. The general plot of this novel was:

The bounty hunter Su Yue realized that she had many secrets…
…
PS: Strong women and strong men, welcome to the pit!
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Princess Jinzhuang: Picking up a Husband to Farm was an ancient romance novel written by Keeley. The general plot of the novel was:

Facing the situation where her father didn't love her, her brother didn't pity her, her mother was dead, and her husband was hugging someone else, she would be punished by three courts. She was furious and stood up abruptly. She verbally challenged the ministers and the emperor, but she was sent to the barren mountains and treacherous rivers of Shuangcheng by the petty emperor. He was dressed in white and had black hair. He was the grandson of the previous virtuous king. He had the ability to see through everything, but he ignored everything until he met her. How many beauties in the world could not compare to my wife's frown and smile, and how many kings and generals in the world could not compare to my husband's hand-painted eyebrows? How many fame and fortune in the world could not compare to the green mountains and rivers, but their love was deep for a lifetime, holding hands with a pair of people...
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"Prosperity and Riches" was an ancient romance novel written by the author, Wan Ge Qing Ya. The general plot of this novel was:

Heroes don't ask where they come from, but when they are rich and noble, they should think about the reason.
A prestigious family, four generations of three dukes, once their family was defeated, they also ended up scattered like monkeys.
Modern white-collar workers had become ancient girls, bearing the honor of the young miss of the Marquis's residence in the past, but could only work hard in the shabby alleys to make a living. I was originally the daughter of the Golden Horse of the Jade Hall. Today, I am reduced to the streets. I will allow you to bully and humiliate me. You can look at me again in a few years!
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The book,"Do You Know How to Be a Foppish Young Master" was a light novel by the author, Duke of Windcloud. It was a derivative doujinshi novel. The general plot of the novel was as follows:

One day, he woke up from his dream and came to this strange world. He became a hedonistic son from a prominent family. Because of his arrival, he completely changed the direction of the world. Why did Zhao Zongquan's big pie disappear? In the end, who ascended the throne? And what role did the protagonist play in this? All the answers are in this book. Old and new readers are welcome to find the answers in this book.
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"An Ancient Husband Is A Little Handsome" was an ancient romance novel written by the author from May to Summer. The general plot of this novel was:

She had no father, no mother, no step-sister, no fiancé, and the only consolation was that she had a peerless handsome prince in her arms. However, she had no wind to attract her own peach blossoms, so she had to get into bed and beg for an imperial edict. Sigh. He thought that he had transmigrated for no reason, but it was more like he had fallen into a conspiracy. He played with the small pistol left behind by his predecessor. He hated palace dramas the most, but he had fallen into a big conspiracy.
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"Crossing the Modern Era: A Royal Kiss" was a modern romance novel written by the author, Bottle Bottle. The general plot of this novel was:

[Rich and Powerful Favor: Hot Wife Don't Think About Running Away] The 1v1 favorite novel has been opened. Please pay attention!
He was a handsome and talented prince from ancient times. He wanted to fake his death to dispel his brother's suspicion, but he did not expect that God would make him be brought back to the modern world thousands of years later by tomb raiders.
She was the domineering and invincible Tsundere Queen of the modern era. When she met the ancient king, she did not expect to be defeated by this iceberg-faced monster. If she did not get back at him, her aura as a queen would disappear.
What kind of shocking collision would it be when a sulky man met a tsundere?
By chance, he had come to the modern world. He could neither expose his identity nor use the heaven-defying martial arts of the ancient times. Facing the covetous eyes of his competitors, the probing of people who suspected his identity, and the heavy love of his childhood sweetheart from the ancient times, what should he do when his heart already belonged to someone else?
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"The Regent King Always Wants to Marry Me" was an ancient romance novel written by the author, Xi Huanyu. The general plot of the novel was:

Returning to the past, everything had yet to begin. Yun Hui decided to open his eyes and change his husband. He just wanted to live a normal life.
However, who could tell her who this shameless man was?
He was the regent of Nanlin. There was always something that he didn't want, and there was nothing that he couldn't have. Women flocked to him like ducks, but he just had to take a fancy to them…
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[New article recommended,"Beauty Makes Fragrance: Lord Marquis, Calm Down."]