Starry Sky Railway: The Flint Emperor Became a Wonder of the Black Tower?

[No female lead for a short time, the protagonist is a fun-loving person, and no one dares to mess with him because he has a hunting party as his bodyguard]

I died, I transmigrated, but I'm going to die again.

That's right, I transmigrated into the body of Suiyang, the leader of the Starry Sky—Suihuang, and right from the start, Digong invited me to die with him. How could I agree to that!?

Okay, I agree, because the system's rewards for the tasks are too good.

...

Years later, Black Tower found a strange stone. After trying to analyze it without success, he placed it on the space station as a rare object.

"Screw, there's something strange about this stone of mine."

"Oh? What makes you say that?"

"Its energy levels have been alarmingly high lately."

Finally, through their joint research, they reached a conclusion.

"It's over, Black Tower, something terrible has happened!"

"What's wrong? What's making you so surprised?"

You might have picked up a ghost.

...