Ten years ago, Kyung Woo Yeon was as innocent and carefree as any eighteen year old might be. With dreams, ambitions, and a heart ready to love, it was only a matter of time before she fell for someone. And fall she did; for her friend, Lee Soo. Unable to hold her feelings in her heart, she confesses to him before he leaves and gets friend-zoned.

• Ong Seong-wu
• Shin Ye-eun
• Kim Dong-jun
• Pyo Ji-hoon
• Ahn Eun-jin
• Choi Chan-ho
• Baek Soo-min
• Kim Hee-jung