The students from a luxurious residential neighborhood, the apartment complexes where the middle class resides, and the underdeveloped residential street all go to the same school and learn in the same classroom.
The new semester begins, and Da In, a naïve girl, transfers to school from the countryside. Although she's raised by a single mom, she's a very cheerful literary girl. Due to her pure mindedness, she's bullied by her classmates in
