Im Yoona

Reads at the park whenever she has free time, likes to write in her diary. 

Goes to Jeju University with her sisters. She is the second youngest daughter 

always the one people always care for and worried, and she is nice, caring, very very kind, and thoughtful and sweet, and a strong girl. 

Im Jessica 

Is Yoona youngest sister. The one everybody always spoils but she doesn't want to be treated like that, 

Goes to Jeju Univerysity with Yoona and her other sister. Loves to sing and stretch and hang out with her boyfriend. 

She is sweet, kind, quiet, loveable, and cute. 

Im Krystal 

Is Yoona and Jessica sister. The one everybody looks up to, and is very mature, a sweet girl with a innocent personaility. 

Goes Jeju University with Jessica and Yoona loves to sing with Jessica and likes to draw.

Lee Byunghun (Ljoe) 

 Is basketball player goes to Jeju University. The one that everyone always depend on and love, is very romantic, nice, mature, and tough. 

Every girl dream boy. 

Goes to a Dehun University to practice sports and education.