Lee Chan-hyung

An academy action in which the lowest-ranking boy, who lived without dreams or hopes, seizes the power of money without hesitations and runs at full speed.

Jae-Young Kim (played by Eun-Soo Shin), who secretly sells cigarettes through text messages at school and makes money, hides cigarettes in her desk drawer. During the exam, Seo Woo-gyu (played by Kim Jae-won) ended up sitting in Kim Jae-young's seat and was caught smoking by the teacher.