Reborn in a Chaotic Age: The Emperor Wants to Borrow a Hundred Thousand Cavalrymen!

[A very light touch of System elements, not a brainless power fantasy. Please don't mind if that's not your thing.]

“Royal Father! When can I leave the palace and go play?”

Zhou Wuyan looked up from the memorials and turned to the young emperor, who was practicing calligraphy beside him.

“When you grow up. Once you're grown, you can go wherever you want.”

“Then, Royal Father, when will I count as grown up?” The young emperor put down his brush and looked up, his eyes full of anticipation.

“When?” Zhou Wuyan's hand paused slightly as he read the memorials. Suddenly, he let out a mocking laugh.

“When you've killed me. That's when you'll truly be grown up.”