Jessica jung - jung sooyeon (17 half-year) Cool girl who always shows that she is strong but in her heart she was very fragile and delicate, she lived in the apartment alone, she has a small, very rich friend named jay park, he's always been cool on jay, jay very naughty and close to her since kindergarten maybe he was cold on jay jay because he believes there will always be at his side, but something happened when they were junior high school, began to dare to shout jessica jay and they always fight and not get along anymore

Jay Park (18 years) His family was very wealthy, his father was a prominent minister in korea Since childhood, close to jessica, jay very cheerful when he was small, but Jessica always being cold to him, while junior Jay heard that Jessica tried to approach one of the boys at their school and jay are very disappointed that Jessica did not choose it and started to shout and fight jessica , objec change jay, he became a playboy and a waste of money and he was annoyed with his cousin, his cousin no one knows jay but jay jealous seeing all the attention because he's handsome cousin, good-hearted and he craves a disease that can recur at any time and make a jay was eliminated from family

Nichkun hoverveskul Park (18 years) Cousin jay, he always gets attention from everyone because he's very handsome and kind, but he has a strange disease that can recur at any time so everyone noticed him he lived in thailnd, his father was a king and then he was a crown prince thailand, from small he lived in korea and always play with jay because of their age, he moved to Thailand at age 12, he knew jay likes jessica because every home school jay always telling stories about him with Jessica, he fell in love with a victim of the jay, jay he knows just love jessica and it will never change

Im Yoona (16 years) One of the victims jaebum, always trying to seduce jay, he's always chasing jaebum until finally she met nichkun, Yoona always think That nichkun very well and liked it and it adds Yoona jaebum hatred against nichkun,

Wooyoung park (15 years) jaebum younger brother, wooyoung hyung always respected him, but wooyoung jaebum cherish and regard his hyung's coolest and want to be like him but sometimes jay always does something stupid and infantile infantile probably because she needs more attention from people "around him, he liked the friend jessica, tiffany, while visiting schools woo jay he struck with a smile tiffany

Tiffany Hwang (17 years) Jessica's, she has a beautiful smile, she always helped when he had trouble learning jessica, jessica she always protected from the men who want toying tiffany He considers wooyoung funny and have feelings of woo