C54 Capture of the perpetrator

When Zhuang Pu Yang returned home, he saw Xi Chen sleeping on the table. He smiled helplessly and called out to him.

"Yi?" You're back? " Xi Chen rubbed his hazy eyes and said with a smile.

Zhuang Pu Yang glanced at the book and then said indifferently: "You don't know how?"

"Hm, it's so hard." Xi Chen sighed helplessly.

Zhuang Pu Yang frowned and sat down patiently to teach