Jiang Xing transmigrated to a parallel world, where he always looked like a model student.
That is, until he was surrounded by a squad of special police officers…
“Jiang Xing, right? Come with us!”
At the detention center, the inspector looked at the file in his hands with a grave expression.
“Your classmates were all enjoying their vacation. Where did you go?”
“I took a part-time job to earn tuition money. It’s quicker to make money overseas.”
“How did a part-time job turn into being a mercenary?”
“Private citizens aren’t allowed to make guns here. Besides, mercenaries earn more.”
“The Kasan Organization, the Taliban, and the Houthi forces were all your clients?”
“Couldn’t be helped. They paid too much.”
The inspector looked baffled. “What are you even after???”
Jiang Xing: “Peace!”
It's written by AI; I was struggling between my left and right brains halfway through chapter 15.
I've read up to chapter 10. The protagonist is incredibly powerful abroad and then returns to China.