C621 Master and Mistress

"You called me Master?"

"Mhmm!"

"Why? I didn't teach you anything! "

Wang Xi had a puzzled expression on her face. She didn't know Xiao Yu's real origins in particular, so she was wary of him.

"An elder once told me that if someone teaches you, you have to call him Master. Just now, you told me to brush my teeth, and you're my Master!"

"Pfft ha-ha, don't tease my little brother