C267 Reading

"Knock knock knock —" Knocking sounds came from the door. Gong Wanshang, who was already troubled by something he couldn't understand in the book, now frowned in annoyance, "What is it?"

The knocking sound stopped, and the next one that sounded was Chu Yantine's deep voice, "Little Shang, it's me."

There was an extremely impatient expression on his face, but his tone was full of joy