In this novel, a ghost possessed a male protagonist named Wang Jiu?

Answer 1

It might not be exactly what you want, but I'll try my best to recommend a novel that's most relevant to your description: "Gorgeous Little Zombie: Vicious-Tongued Ghost King, Get Over Here"

The 14-year-old Jiuge died in a car accident. After she died, she turned into a zombie that looked like a human but not a human. When she returned home, her family's fear made her leave sadly. She was accompanied by an ancient male ghost.
"This King's heaven-shaking beauty is something you can covet?"
Jiuge turned around silently and walked towards Zhu Ma.
A certain ghost floated over."Hey, kid. This king will take over this zombie." You, Wonton's relative, scram!"
The bamboo horse fled in panic.
"You don't like me!"
"That's right, how could This King possibly like you?"
"Then why did you…"
"Don't be silly. This King is doing justice on behalf of the heavens!"
Jiuge bared her fangs, wanting to bite him to death!
A certain ghost had a devilish look on his face,[Come on, hurt each other!]
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"Jiuniang's Bizarre Story" was a mystery detective novel written by the author, Shanye Jingji. The general plot of this novel was:

Li Jiuniang, who once made billions of creatures prostrate at her feet, was in trouble.
She was so weak that even a newly-dead little ghost could take her life. Fortunately, she was saved by the mortal Prince Wang Can.
It was just that this Wang Can was a little greedy and actually asked her to marry him…
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"Cultivation of the Devil Dao in Uncle Nine's World" was a Xianxia, mythical, and cultivation novel written by the author, Wonder Worm. The general plot of this novel was:

Ghosts worked for people, and people worked for ghosts. In this era where demons and monsters ruled, perhaps the wife who had lived with you for decades might not even be a human…The sinister human heart might sometimes be even more detestable than ghosts. "Since the world rejects mortals from cultivating, why don't I change my way of cultivation? Perhaps it's the right way in the human world to cultivate evil instead…"
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Zombie: Rejecting Ninth Uncle at the Beginning was a novel written by the author, the great monk of Pingkang Workshop. The general plot of this novel was:

To transmigrate to the zombie world and meet Ninth Uncle, one must become his disciple? However, the Martial God System told Wang Zong that if he acknowledged Ninth Uncle as his master, the System would leave him. Wang Zong did not hesitate to abandon the arrogant Ninth Uncle and choose his beautiful junior sister…It was a story of martial arts in the zombie world. It was a single world where Uncle Nine's movies (without "Zombie Covenant"), folk tales, and unofficial history were reasonably combined. The universe was infinitely vast, and one could become a god and transcend by relying on martial arts. Here, you will see the clash between Chinese martial arts and strangeness. Wild gods, zombies, ghosts, evil cultivators, vampires, werewolves, bewitching heads, witches, and even demons from the abyss will appear one by one. The world of this book was vast, and he had to read it patiently.
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The book "Ghost King" was a fantasy romance novel written by the author, Xue Qiban. The general plot of this novel was:

The soul of the little princess of the reclusive Spirit Clan returned and entered the Ghost Realm. She met the cursed Ghost King. Was it because of love, or was it a scheme?
The gears of fate shifted. He had tried to kill her, but he had called out her name to another person.
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"The Years I Walked in the Nightmare Realm" was a novel written by the author, Handsome. The general plot of the novel was:

[Original Instance Dungeon]+[Strange Revival]+[Easy]…When the coffin becomes the entrance to another world, if it were you, would you lie in it? Wang Yanjiu, an Earthling who had been transported to Xia because of his close contact with a low-altitude plane. An accident had caused him to be swallowed by a coffin…"This is the Nightmare Realm. We're all Nightmare Wanderers." "As long as you can do it, this is your path to heaven." Wang Yanjiu looked at the guy in front of him who was speaking with confidence. He gripped the mahogany sword in his hand tightly. "I don't know if it will work, but I know that I can…add points!" At this moment, Lord Jiu was among the Wanderers of the Nightmare Realm. Wherever he went, all the strange things disappeared.
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The book "Nine Dragons on the Body" was a fantasy novel written by the author, Lin Yuan Huanshui. The general plot of this novel was:

The story of a man named Wang Xizheng in the Desolate Spirit Starfield.
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"Ninth Uncle: Why is your life so tough?" This book was a suspense-mystery novel written by the author, Stewed Goose in Iron Pot. The general plot of this novel was:

Wang Jian had transmigrated to Uncle Nine's world and was bound to the "Hard Life, Coffin Touching" system. As long as he touched the coffin, he would receive a reward. Ninth Uncle, who was Wang Jian's neighbor, had coffins everywhere in his house. From then on, he was in trouble…Ninth Uncle: "Who did this?!" Wang Jian, who was hiding in the dark, hid his achievements and fame…
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Lottery Draw in the Zombie World was a suspense novel written by the author, Zui Qingjian. The general plot of the novel was:

Wang Teng had traveled through the zombie world, awakened the lottery system, and even acknowledged Ninth Uncle as his master. Using the system, he could command the wind and cloud, and kill evil with a single sword. "My disciple, Wang Teng, has the bearing of an immortal!" "Martial Nephew is amazing!" "Mr. Wang is really an immortal!" "Mr. Wang's miraculous hands brought back the spring and cured the girl's illness." "This man is mine!" "Fellow Daoist Wang's divine summoning technique is very impressive!" Bai Liuli said,"It's all thanks to Mr. Wang to reconstruct my body!" "Fellow Daoist Wang's Seven Stars Sword Art is very extraordinary!" Mao Xiaofang said. Madana: "This man is very good, I…" I can't love." "Among the younger generation, the only one who can fight me is Wang Teng!"
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"Ninth Uncle: Twelve Talismans Pushing the Heavens" was a light novel written by the author Xuan Tai. The general plot of this novel was as follows:

After passing through the zombie world, he obtained the mouse charm and dog charm of the twelve charms at the beginning. He also used the mouse charm to strengthen the divine spell and became a new spell-- Zombies? I wonder if I can withstand Lei Zhenzi's heavenly lightning! A malicious ghost? She wondered if Zhong Kui could make her kneel and beg for mercy! Monsters? Sorry, I have Demon Saint with me! In Ninth Uncle's world, he was a Mao Mountain disciple who exterminated demons and defended the Dao. In the world of Liaozhai, he was a vagrant who was boasting to Yan Chixia. In the Immortal Sword World, he was an opponent that even Demon Lord Chong Lou admired. Traveling the world, everything started when Uncle Nine picked up the zombie world.