C251 Water Proficiency!

Liu Muhan said with a huff, "Don't think you can just brush me off."

"And another thing, stop calling me Director Liu when I'm not at work."

Curious, Yang Ling asked, "Alright, so should I call you Muhan from now on?"

"Muhan..."

A faint smile played on Liu Muhan's lips, though she feigned annoyance and said, "Show some respect. I'm four years older than you