My ID Is Gangnam Beauty S01E06 - 6화: 얼굴천재의 역습 2 // The Handsome Guy's Counterattack Part 2

While waiting tables at the festival, Yong Chul recognizes Mi Rae and humiliates her. She learns that it was Soo A that invited Yong Chul to the school and becomes confused. Soo A explains herself, saying that she didn't know she was inviting the person who graduated from the same middle school as her.