Kim Taeyeon

Kim Taeyeon is a normal student studying in Seoul University and she's confused over her feelings towards a certain brunette. She doesn't know if she would be accepted or refused, only that she would make sure her feelings were never revealed. Her secret is only known by their own group of friends who have sworn never to reveal them because they realise the seriousness of the matter. Their friendship was more important than anything else and for now, Taeyeon was content with her being close friends as well as roommates with the former. 

Tiffany Hwang

Tiffany Hwang majors in design and she dreams of being a fashion designer one day. She's best friends with Taeyeon, the girl who's worlds aparts from her. She's outgoing, loud and more than just sociable while she finds the calm, quiet Taeyeon a source of comfort whenever she's sad. For now, she's madly and crazily in love with a jock, Nichkhun and they're still in a world of their own. 

Will Taeyeon ever get a chance to win Tiffany's heart? Will she even get a chance to confess at all? 

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Kwon Yuri

Kwon Yuri is an athlete as well as Taeyeon's buddy. She's majoring in arts where she meets a certain ice princess who makes her heart pump as fast as lightning. She's still hung up over her ex-girlfriend even though the latter was the one who ended their relationship first. Her younger sister, Kwon Yoona is the only family she has left after their foster parents passed away two years before. Though she refuses to accept it, Yuri is set on not going to any relationship even if her heart is reacting weirdly to someone. 

Jessica Jung

Jessica Jung is an ice princess, yes but she didn't know that an even icier person existed - Ice Prince, Kwon Yuri. Her eyes are set on Kwon Yuri, the athlete who has both genders lusting after her. She knows Yuri is a very private person and that her true persona is only visible when she's with her group of friends. She's made friends with Tiffany Hwang through their interest in fashion and dreams to be fashion designers.

Will Jessica ever get Yuri to open her locked heart? Or will Yuri be the one to break the ice and melt the ice princess's heart first?