I've Become the King of Villains in the Game - Chapter 8 - Three Gases Will

Xu Yangyi, an 18-year-old high school student, for the reason that his older twin sister eloped with her girlfriend on the wedding day, was forced to be the surrogate bride by his own father. As a result, he became the wife of the man who should have been his brother-in-law.“You’ve gotta look at me carefully. I’m a man.” Xu Yangyi glared at He Jingyan, who was still getting fresh with him though he already knew Xu Yangyi was indeed a man.“Man?” He Jingyan fiddled with Xu Yangyi’s face with his big hand and gave him a sly smile, “You look identical with your sister, so it doesn’t matter!”

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

Polishing antiques in the basement was supposed to be a punishment. When monsters arrived, it saved Emma’s life. Now sealed inside a suit of armor old when the world was young, Emma Knight will have to master newfound powers she’d long regarded as merely myth; all whilst navigating the breakdown of society and delving through dungeons in search of the truth behind the apocalypse. How’s that for a Sworded Affair? What to expect: LitRPG, Progression, Dungeons and the Apocalypse. What not to expect: Harem, Smut, Drama or Tragedy.

Hua Baihe is an emotional mediator, relying on his own mouth to persuade many pairs of broken pots that deserve to be together.
until selected by the emotion system.

before crossing.
She vowed to slap the small flat chest with a bang: “As long as there is a reward, there are no couples that I can’t persuade!”
System: “Do well, little girl.”

After crossing.
Hua Baihe looked at the man above him with a look of horror: “…No, this really won’t work for me!”
The system prompts: “The host is not allowed to fall in love with the target character.”

The man’s kiss fell.
Hua Baihe: “The system, listen to me, I was forced, and you asked me to do it.”
System: “…” I didn’t let you be the protagonist!

Edible instructions:
1. Decline to pick up the list! ! ! !
2. Easy and mindless bullshit, attack and accept are decided by the first time.
3. The CP in this article is always the same person, and all CPs are willing to be together! Occasionally a little fun! Don’t take it seriously!
4. I can accept only watching the first two worlds and complaining about another heroine, but I suggest to keep reading. The author does not write brainless logic. Of course, I suggest that I can’t stand the upper right corner. Generally speaking, I accept peaceful discussions, but scold me. I’ll kill you, I hope you know.

- Description from novelbuddy