Ben's novel recommendation.

The male protagonist had a system called Zero in the later stages, and the female protagonist's name was Mu. There was a chapter where the male protagonist had no memories after transmigrating because his soul was divided into two people. One of the identities was the King of Hell.

Answer 1

I don't think it will necessarily meet your needs, but I will try my best to recommend a novel that is most relevant to your description." How to Break the Host's Character Design of Quick Wear " is a sci-fi space-time travel novel written by the author, Tiantian Buxian. The general plot of this novel is as follows:

[Quick Wear] Single Female Lead x Abstinent and Seductive Male Lead Ji Wanwan was originally a lucky person, but at the age of 25, she had an accident and was brought back to the realm by the system from the Road to the Underworld. From then on, she lived...
"Don't you know what I want to do?"
"The female lead in the movie is you. The female lead outside the movie can only be you."
"My gentleness is only for you."
"I only know what it means to be a match of equal social status after meeting you."
......
This article favors 1v1.
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[Quick Wear System: Female Supporting Character, Indecent] was a sci-fi space-time travel novel written by the author, Ling Luo. The general plot of this novel was:

[1v1 Sweet Story]
"Prince Charming's portrait is on sale for 998 yuan!" The lecherous Wei Qian Luo bought it and took a look. Two nosebleeds gushed out. After his death, he was accidentally bound to a 999 search for true love system. He acted cute and was stupid at the same time. From then on, he opened a path of no return for the male lead who lost his integrity.
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The book," The Tragic Female Supporting Character Wants a Male God " was a sci-fi space-time travel novel written by the author, Purple Shadow. The general plot of this novel was:

She just wanted to work hard to complete the mission, obtain points, and obtain freedom. She wanted to return to her original world and step on Jun Yue and Xue Jinyi. But why did the two of them appear in the mission?
Why did the man who said he wanted to be his master look so strange! Also, why did her System Lord Xihuan look so different from the other Raiders 'System Lords?
He wanted to see how a newbie would defeat the system with a supporting actress, complete the quest of a virgin's wish, defeat the male god, and bring home a beautiful man!
P.S. The plain text in the text is not a mistake! Growth-type female protagonist…
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" Dress Up: A Guide to the Prince Charming " was a sci-fi space-time travel novel written by the author Wen Zimu. The general plot of this novel was:

On the day of Mu Churan's 20th birthday, she collapsed at her engagement ceremony due to a congenital heart attack. In order to grow old together with her childhood sweetheart from the original world, she had bound herself to a very unreliable Quick Transmigration System, and from then on, she began to transmigrate from different planes.
Young Movie King, Online God, Overbearing President, Cold School hunk, Zombie City Lord, Evil Lord, High IQ Robot, Orc World, Online Game God, Blood Race Marquis, Elf King…
Among the male idols with different personalities, only Mu Churan did not want to conquer them. There was no one else that Mu Churan could not conquer! [This article is 1v1. The male lead is alone. No explanation.] [Female Lead Growth-type, very ordinary in the early stages, but amazing in the later stages.]
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The book " The Host of Quick Transmigration is a Big Bug " was a sci-fi space-time travel novel written by the author, Mu Chuqi. The general plot of this novel was:

When the female protagonist in the novel was abused in various ways, the resentment of the female protagonist would erode these worlds and cause them to collapse. Yan Qing was sent by the system to various worlds to eliminate these grievances and restore them to normal operations. I crossed three thousand worlds just to find you, my love, are you willing to wait for me and hold your hand? Yan Qing had thought that she was a gentle and beautiful lady. He didn't expect her to be a bug-like existence. System.
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" The Guide to the Prince Charming of Quick Wear " was a sci-fi space-time travel novel written by the author, Queen Loves Fast Wear. The general plot of this novel was:

Many male idols were trapped in a " role-playing " game, and a prelude to seducing and being seduced began.
Ding Dang: " Congratulations on obtaining the role to rescue the trapped Prince Charming. Go live the peak life of a handsome man with one hand and a country with the other!"
"…" She was bound to the role-playing system for no reason and had to go to various worlds to save her idol.
" Prince Charming, why are you so distracted? Why is your cosplay so perverted?!"
" Cult Master, this servant really likes you. Mountain without hills, heaven and earth…"
"That transvestite, don't go…"
For no reason, she was dragged into a lousy game to save her idol. The problem was that her idol was too shrewd and wanted to go home!
The female protagonist was thick-skinned, chuunibyou, shrewd, shameless, funny, and the female protagonist's motto was that she had to be more shrewd than the male god to save him!
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" The Big Boss of the Quick Traversing Is Going Through Tribulation " was a sci-fi space-time travel novel written by the author, Qing Lu. The general plot of this novel was:

As a big shot in the cultivation world, Mu Qing never thought that she would be thrown out to transcend the tribulation. She was even bound to a super ridiculous couple service system that required her to go to different planes to matchmake people.
[I want to be with my childhood sweetheart!]
"If you want to be a matchmaker for my sister, you have to get past me first."
The entire Internet of the entertainment industry's negative artists: " I want to be the best actor, marry the best actress, enter the international market, and sweep the world."
"I don't want to marry the princess!" I've taken a fancy to you."
" Dare to Love, Dare to Hate " Rakshasa: " I want to rule the martial arts world. CP isn't important!"
"I have no desires, I just want to make the soup."
......
Faced with each mission that was getting more and more difficult, Mu Qing went crazy." I quit. What's so good about being a couple? Isn't it good to be a cool single dog?"
The System cried,[Ancestor, you're transcending a tribulation.]
"What kind of stupid tribulation am I going through?" Mu Qing sneered.
[Love Tribulation!] The system spat out two words.
[PS: There is a male lead in this article, but whether the female lead falls in love or not depends on her mood and luck.]
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The book," Quick Wear: A Guide to the Dark Side Character," was a sci-fi space-time travel novel written by the author, Mu Qixi. The general plot of the novel was:

A silly system of the 3,000 Planes of QQ Reading, which was the first website, inadvertently listened to the words of the Lord God and forcibly bound a useless host. System: " Host, do you want to be rich and have a mansion? He said: I don't want to. [Host: Host, do you want to have a cheat and a few thousand male pets?] He said: I don't want to. System: " Host, do you want to have a martial arts secret manual, go crazy, and marry a fair, rich, and beautiful woman?" He said: I don't want to. [System: What does the host want?] Yu Xi: I want to be a salted fish, I want to be a soy sauce…The system was in an awkward position. Why was it that the hosts of other systems were cute, capable of literature and martial arts, both intelligent and brave, and were active in completing missions, but why was its own system so focused on causing trouble? " Host, this isn't the plot. You should save the male lead!" The System saw Yu Xi cross her arms and kick the male protagonist off the stage. She was only thinking of causing trouble. "Host, you should listen to the female lead. The female lead's words are the imperial edict. Whatever she asks you to do, you do. If she asks you to go east, you can't go west…" Before he could finish his sentence, Yu Xi slapped him, driving the white lotus female protagonist away in anger. She was completely out of her wits, and the system was so angry that it started crying. " Host, you should be working with the male and female leads to defeat the supporting male lead. Why are you helping the supporting male lead beat up the male lead instead?!" His three views were wrong, and he was crazy.
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" The Female Lead of the Quick Transference System is the Boss " was a sci-fi space-time travel novel written by the author, Fish in the Basket. The general plot of this novel was:

Fan Qing had died, and somehow, he was bound to a system. [System: You have to go to a different world to play the role of the female lead, and then…Fan Qing nodded,[Understood. System: Wait, I'm not finished yet!] Wait, what are you doing! You're a delicate female lead, not a villain! Wait, host, that's the male lead. Host, put down the knife! No, the host is a villain. You can't be friends! The host is a vicious supporting actress. You can't make a deal! Then, the system watched as its host reached the peak of his life again and again. This book was also known as " My Host Is Always Darkening ", and the author concluded it with " It's Not Easy to Be a Female Partner in the System."
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" Quick Guide: The Arrival of the Supporting Female Lead " was a sci-fi space-time travel novel written by the author Shui Qingqian. The general plot of this novel was:

The so-called sadistic story was that the male protagonist abused the female protagonist thousands of times, but the female protagonist still treated the male protagonist like her first love. No matter how deeply the male partner loved the female protagonist, how many times he had helped the female protagonist, or because the female protagonist had nothing, or because the female protagonist had become disabled, or because she had saved the female protagonist from death, the female protagonist still loved the male partner blindly. At most, she would shed a few crocodile tears when the male partner died!
In order to save the sadistic male supporting character, the Space Administration created the sadistic male supporting character rescue system.
In order to survive, she became a quest taker. Her mission was to save the supporting actor.
There were all kinds of characters for the sadistic male supporting role. There was a gentle and black-bellied male supporting role, a cold and aloof male supporting role, a domineering and cold male supporting role, a flirtatious male supporting role, and a stone-faced and ice-cold male supporting role…
No matter which male supporting role it was, there would always be one that was suitable for you to eat!
[I recommend my ending stories: " The Counterattack of the Cannon Fodder: The Guide to the Quick Story " and " The Best Guide: The Promotion of the Female Supporting Cannon Fodder ".]