Happiness Does Not Come in Grades

In a high school second grade classroom, Bonggu (Gyu Seok) and Genija (Choi Soo-hoon), whose grades are low, love each other (Yi Yeon Yeon) and Niho teacher. The hard - luck Changshu helps his mother to clean the liquor, but the Eun - joo, who grew up in a rich environment, screams without understanding him.