Captures the realistic concerns and daily lives of "fragile" teenagers without any hesitation. Shows the taboos that adolescents face during their final teenage years before becoming adults, such as dangerous love with a friend of the opposite sex and risky deviations that they enjoy while avoiding the eyes of adults.

• Kim So-hui
• Kim Eo-jin
• Kong Ju-han
• Kwon Hui-song
• Moon Ji-won
• Cho Sung-won
• Cha Se-jin
• Jung Yun-seo