About:

• Known For
• 
  Run to the West
• 
  Duel
  as
  Lee Sung-joon / Lee Sung-hoon (16 episodes)
• 
  Saimdang, Memoir of Colors
  as
  Lee Gyeom (young) (28 episodes)
• 
  Temperature of Love
  as
  On Jung-Sun (40 episodes)
• 
  Still 17
  as
  Gong Woo-Jin (32 episodes)