When high school girl Han Ye-won finds an offensive note on the internet school board left by arrogant Ji Eun-seong from vocational school, she replies even more offensively. She doesn't know he's hot-tempered and well-known as a bully. So when Ji Eun-seong starts looking for her to teach her a lesson, Han Ye-won realizes how big her mistake was.

• BM Entertainment
• Song Seung-heon
• Jeong Da-bin
• Lee Ki-woo
• Lee Jin-seong
• Jeong Jun-ha
• Park Yoon-Bae
• Park No-shik
• Kim Bo-yeon