C65 Bagua

It was late at night, and the world outside was quiet, but Xue Ning's room was still brightly lit. She was engrossed in a book at her desk.

"Knock, knock, knock."

The sudden sound of knocking pulled her back to reality. She wondered if it might be Mrs. Zhao.

When she opened the door, she was surprised to see Lu Bai. "You're back."

She glanced at the clock. It was late