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
Shin Sol-i
Kim Yo-han
Cha Heon
Yeo Hoi-hyeon
Woo Dae-sung
Jo Hye-joo
Kang Ha-Young
Jung Jae-Oh
Jung Jin-hwan
Park Ji-won
Oh Hee-Ji
Kim Dong-Kyu
Wang Se-Hyeong
Choi Bo-min
Na Mi Nyeo
Yoo Ji-yeon
Lee Su-Jin
Ji Hwa-seop
Lee Joo Hwan
Seong Hye-Min
Moon Sook Hee
Kim Sung-gon
Teacher Cho
Kim So-min
Mi-nyeo, Se-hyeong's son
Yoon Seo-hyun
Sin Gi Heon [Sol I's father]
