Love is as tough as it is sweet for a lovestruck teenager, whose relationship with her next-door neighbor transforms as they grow into adulthood.

• So Joo-yeon
• Kim Yo-han
• Yeo Hoi-hyeon
• Jo Hye-joo
• Jung Jae-Oh
• Park Ji-won
• Kim Dong-Kyu
• Choi Bo-min