Released:

Overview:
A moving duet performance by two singers with one wall seperating two voices a special story begins.

Director:
Kim Woo-jin

Runtime:
NaNh NaNmin

Genre:
Reality

• Cast:
• 
  Lee Juck
• 
  Park Kyeong-rim
• 
  Heo Kyung-hwan
• 
  Kim Hyeong-seok
• 
  CHUU