Suzy as Bae Suzy 

"Love? I don't need it.. It's useless"

Always known for being a friendly and pretty. People consider her as an angel of Seoul Art School, she is being loved by many guys and also hate from many girls. She lives alone with her mom, her dad divorced with her mom for another woman when she was young. Since then, Suzy told herself not to love or she will be hurt like how her mom was. Suzy is very smart also.

 Jiyeon as Park Jiyeon

"You said you'll be here.. You said you'll protect me forever.. But you didn't.."

She is known for being a in the school. Jiyeon is the daughter of the school principle. She is very arrogant, mean and have a pretty face but she is a very lonely girl with no friend at all. But she got a boyfriend who is very nice a gentle, totally opposite with her. She is a very strong person outside and hardly to get hurt by anyone.

Jinyoung as Jung Jinyoung

"I'm sorry.. But.."

He is Jiyeon's boyfriend, many people in the school still wondering why and what he likes about her. Jinyoung is not rich or poor, he is just a normal boy. He is friendly and a gentleman.

Minhyuk as Lee Minhyuk

"I'll be the one that will be on your side.."

He is known as the school handsome prince. He has a cold and quiet personality. Many girls are crazy about him. He has a secret crush on Jiyeon for some reason. But he hid it and he is a son of Jiyeon's dad's friend.