S1E78: Episode 78

Yoo-mi’s mom tells Hae-mi that Beom secretly kissed Yoo-mi. Mun-hee and Joon- ha happens to hear this conversation and scolds Beom how he could do such a thing to his friend’s girlfriend. Meanwhile, Yoon-ho goes to school to run an errand for Min-yong and overhears Min-jeong speaking to the assistant principal that she won’t be a homeroom teacher this year.