LEAD CHARACTER :

Jun Hyosung
She is famous person in her campus , because she's nice and beautiful .
She fashionable and always care about her appearance . .
She doesn't like man who don't care about his appearance . (it's like Yonghwa)
she borring with her life and choose to switch place with her twin Jun Hyoseong .

Jun Hyoseong
She was the best in athletics because of that she attended athletes campus .
She is tomboy and simple girl because of that her father always compare her with her twin Hyosung , she think it's not fair , she want to try be Hyosung , and she agree with her twin to switch place of each other .

Jung Yonghwa
he is famous person in his campus , because he have famous band and also because he's handsome . (same campus with Hyosung)
He don't care about his appearance and he hate girl who always care about her appearance , he only like tomboy and simple girl , because of that he always fight with Hyosung .

Yoon Dujun
he is athletes , he in same campus with Hyoseong . He doesn't like tomboy girl .
he is nice to all people but no to Hyoseong because he hate when his coach compare him with Hyoseong .