Blood Shaper - Chapter 29Book 4:

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

Everyone has a system they just need to meet hidden conditions to unlock it. A blacksmith system may unlock after a human walks by a forge. A master mage may unlock a system after attempting to control the mana in their body. Even something as simple as kicking a rock at a bucket can unlock the marksman system a unique system allowing for perfect accuracy. But what happens when someone reaches the age of fifteen and hasn’t unlocked their system? Walker is about to find out, time is ticking and he doesn’t want to live out his life as an ordinary human; he has dreams you know!

This is the story of a modern sailor who was accidentally reborn as a soldier of the Brazilian Expeditionary Force, and finally became the largest plutocratic family in Brazil by virtue of his foresight.

- Description from novelbuddy

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates