C68 Even a Rock Could Learn!(1)

After a hectic day, Chen Mo returned home to a slew of pending tasks. It was only after he'd dealt with the odds and ends and had his dinner that he noticed how late it had become. He hadn't been relaxing for long when a series of loud knocks at the door startled him. Without much thought, he swung the door open to see Yun Yiyi, anxiety written all over her face.

Blinking in surprise, he asked