Misbehavior

Hyo-joo, a temporary teacher at a boys' high school, witnesses Hae-yeong's passionate embrace with a boy, causing her immense humiliation towards her.

• 
  Kim Ha-neul

  Park Hyo-joo
• 
  Yoo In-young

  Hae-young
• 
  Lee Won-keun

  Jae-ha
• 
  Lee Hee-jun

  Pyo Sang-woo
• 
  Ki Joo-bong

  Jae-ha's father
• 
  Lee Ki-woo

  Lee Jong-chan
• 
  Jeong Seok-yong

  vice-principal
• 
  Hong Wan-pyo

  head teacher
• 
  Oh Na-ra

  Lesson teacher
• 
  Lee Kyung-young

  Chairman