Jessica Jung - 18 years old . Very pretty and has a nice, slim figure . Comes from a very wealthy family . Her father , Jung Jaesoon is a very successful businessman . Her mother , Jung HyeRim , is Jung Jaesoon's PA . Her parents are always busy and both are staying at the States now . Jessica managed to convince them to let her stay and study in Korea . Jessica is the only child , hence her parents dote on her very much and she is practically every guy's dream girl . In a relationship with DongWoon but the one she truly loves is Junhyung .

Yong Junhyung - 19 years old . Very handsome and cool . Comes from a very wealthy family , his family operates the Yong Co. , a well-known and influential company . His father is Yong Jihoo , and his mother is Yong SooJin . He persuaded his parents to let him move out and stay alone , to build up independance and his parents agreed . Junhyung is the only child , received lots of love from his parents and from girls . Loves Jessica but dare not say as he doesn't want to hurt his best buddy , DongWoon .

Son DongWoon - 19 years old . Very handsome and cute . Comes from a wealthy family . Gets along well with people and is not offended easily but will retaliate when needed to . Has no lack of girl suitors , in a relationship with Jessica .

Im Yoona - 18 years old . Pretty and has a friendly and cheerful personality . She's kind and is one of Jessica's best friends . Likes DongWoon but do not dare let him know as she knows he likes Jessica .

Tiffany Hwang - 18 years old . Pretty and has a killer smile every guy would die for . One of Jessica best friends , understands Jessica well as they have been best friends for longer time .

Kim Taeyeon - 18 years old . Cute and dorky . You cant be mad at her for long because of her optimistic and bubbly personality , but you dont have to be because Taeyeon hardly makes anyone angry . One of Jessica's best friends and Jessica calls her AhjummaTaeng because she has a motherly side and takes good care of them . Is the oldest among the 4 best friends ( counting by month .) .