The Erratum - Chapter 24: A Pool of Blood.

System: You are now a lowly male supporting role, a passerby who wants to go offline at any time, please keep secretly and grow vulgarly.
Shi Yan: Very good, thank you for your suggestion.
The first world: Shi Yan, as a little prince born in a cold palace, made himself an emperor.
The original male and female protagonists, under his witness, became grudge couples.
The second world: Shi Yan, as the youngest son of the princess who died tragically, made himself a powerful minister over ten thousand people.
The original male and female protagonists, under his witness, became grudge couples.
The nth world: Shi Yan, as a genius in the world of comprehension, has made himself the number one powerhouse in the Three Realms.
The original male and female protagonists, under his witness, became grudge couples.
The system feels that something is wrong.
Shi Yan instead persuaded him: Let the male and female protagonists come together in the end no matter what the circumstances are, isn’t it the self-cultivation of the tool man and the male partner?

Content tags: Kuaichuan Shuangwen Metaphysics
Search keywords: Protagonist: Shi Yan ┃ Supporting role: ┃ Others:
One sentence introduction: The male partner is beautiful alone
Purpose: strong heart, unmoved by wind and rain

- Description from novelbuddy

The obsessed Big Brother, the loyal God, the yandere Vampire, the cold Honor’s Student…

When a grand variety of Prince Charmings arrive continuously, what should a person feel like? Luo Liyan held her poor aching waist, raised her head to the skies and sighed, give them to whoever wants them!

“What, want to run after seducing me?” That man with strong possessiveness approached little by little, trapping her in a corner. “Little Yan, what type do you like? I can always satisfy you, as long as you stay at my side!”

Looking at that man who seemed more devilish the more he smiled, Luo Liyan trembled as she hugged herself.

Cries… So terrifying. Who the hell forcefully gave and took like this guy?

- Description from Novelupdates

Lin Xiao Ci transmigrated! Her identity is a female villain in a novel in the ancient times. In order to get close to the male lead, her character has walked the path of seeking death. She decided to stay away from the male lead and his family, cherishing her life. Speedily, she prepared divorce papers and delivered to the male lead who had been set up by the original villain to marry her. “Husband, I would like to turn over a new leaf. In the past I have used you and I have wronged you. Now, I will return you your freedom.” The man snatched and tore the divorce papers into pieces, and fiercely said “Dream on!”

- Description from Novelupdates

Arthur is an Atelier who works under pressure. When the curse of the Succubus activates his Netori System, Arthur is unable to resist his desire to win a woman's loyalty. There is no other reason for him to test a woman's loyalty that is easily shaken when his Netori System is activated.