The supporting character's harem is very normal - Chapter 27: Sculpting master

A young man, a modern-day history and war enthusiast, finds himself reincarnated in the body of an orphan — one destined to inherit a small, struggling barony from his dying uncle. But fate offers no easy path. Inside the family, greedy rivals lurk, eager to steal his inheritance. Outside, hostile neighbors eye his weakened lands, ready to tear it apart at the first sign of weakness.This is a tale of ruthless ambition, cunning strategy, and relentless struggle. From a powerless orphan to a baron, from the weakest barony to the mightiest duchy — he will rise through blood, steel, and fire.

“A qualified gunner should have enough firepower coverage.”

“So my battery has a diameter of three thousand meters, which is very reasonable.”

After a grand fireworks, Chen Jiang looked at the shocked eyes of the passers-by around him and said seriously.

…

When all races were thrown into a world and started to fight, a world with the theme of survival began.

- Description from novelbuddy

Fang Xi has transmigrated, and it's the second time!In the Cultivation World, I was submissive. In the other world, I struck with a heavy fist!Who would have thought that after thousands of years, I've become a big shot in the Cultivation World!(Pursuing Longevity + infinite flow - these are quality works presented by Wen Chao Publishing. Rest assured, these books are top-notch reads, so feel free to add them to your collection)

The main protagonist Chen He often meets crazy people in his life, and all these people have very deep prejudices against him. They often do weird things.

(1)

Once, Chen He polished off a bunch of hired killers (who seemed to be after him?), and eventually found the mastermind.

Chen He: You and I are complete strangers, so why are you doing this to me?

Mastermind: You’re gonna kill me after ten years! Of course I’ve got to make a preemptive strike.

Chen He: …

(2)

Chen He: Sir, we have had no bad blood between us, and I have not done anything to offend you. Why are you being so threatening?

Taoist priest: Hmph! In the future, you’ll be offending me to no end. Haven’t you been looking down on me all your life?

Chen He: …but I still have my entire life ahead of me!

(3)

Antagonist A: Chen He! Because of your master, I was rejected by XX Sect, and so I was forced to become a demonic cultivator!

Chen He: Who…who are you?

Antagonist B: My future lover’s meridians and good looks were ruined by you, and I’m definitely not gonna let you do it this time!

Chen He could not help but think: There is definitely something wrong with my life!

- Description from Novelupdates