Im Yoona: 
"I Don't believe in love but i think im in love right now." Yoona a 24 year old,strong,beautiful,talented girl attending Seoul University. She Lives with her best friend Kim Si Hoo.She got kicked out of her family 6 years ago. Shes not social in school yet loves to talk to her best friend Kim Si Hoo. She likes being alone in school, but when she meets Lee Kikwang,Lee Daehyun,and Lee Jaejoong her life will change. 

Lee Kikwang: 

One of the most popular guys in school. He lives with his two brothers His older brother, Jaejoong, and his younger brother, daehyun who attend the same university as him. hes 24 years old and is talented and cool.He talks to people with care. He likes to care for others.

Lee Daehyun: 

The youngest of three,and is attending Seoul University, he is living with only his two other brothers lee kikwang and lee jaejoong. hes 20 years old, and is caring and talented. 

lee Jaejoong (real name:Kim jaejoong): 
Oldest of three. He loves his two younger brothers. Hes 27 years old but he dropped out of the university to take care of his two younger brothers. Hes came back along side with his two younger brothers. Hes of coarse also one of the popular of three. 

Kim Si Hoo: 

Best friends with yoona. and lives with her. Hes currently done with school. And is caring to yoona. Hes cute,talented. and also very caring towards yoona,and dislikes guys touching yoona. Hes very protective and has been a childhood friend to yoona, for 9 years. 

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"I Don't know what jealousy is, nor what love is but i think he showed me what it is." 

"All i know is i wanna stay with her and be by her side i don't want her to leave me." 

"I don't wanna let her go. She was mine, but i don't want her in another persons hand. I can't trust anyone to touch her."