If you're a part-timer, experience as a bad customer is essential - S1.E4

"You can't have someone who's unfair like a customer." Yoomi is finally showing off her skills as a part-time job master.

Dongkyu is laughing at Yumi more and more.

"You look prettier when you smile."

Kisung squeezes in between the two.

A full-fledged war of nerves between two fiery men!