"Mengmeng, the aunt next to you is your father's registered disciple, like a student." Zhang Guangyou explained.

"Student?" Mengmeng looked at Zhang Han in a daze: "Papa, why, how did you become a teacher, and you didn't tell me and Mama."

"Eh..." Zhang Han pondered for a while, and said with a smile: "Because she wants to learn some knowledge from her father and protect your mother."