Chorong is a shy quiet girl who thinks making friends is hard, but once you get to know her she can be one of the loudest and funniest people you will ever know. Chorong tries her best on everything and she studies a lot, her parents are always out of town working and her brother is in America attending collage. She loves music and plays a variety of instruments but her favourites are piano and guitar. She lived in America when she was young. She doesn’t like people knowing she's rich so she hides it and tries living like a normal person, taking the bus to school, no branded things and she works as a part timer.

Taehyung is a happy go lucky boy who loves talking to people. He has a cute bubbly personality that makes it easy for him to make friends which is why he is quite popular in school. He enjoys playing the electric guitar and even though no one knows, he has a beautiful singing voice but he doesn't tell anyone. He loves animals and children, when ever he goes near one he can’t resist cuddling them.

Jieun is a cheerful girl and she loves cheering people up, she never pushes away the chance of making a friend. She is very daring and isn't afraid of things like horror movies and roller coasters, she does have weak points. She might look tough on the outside, but she's a real softie in many areas inside.

Sungyeol is very playful boy and likes making fun of people. He teases people who he finds fun to tease, even though he is very playful, he knows the limits when it comes to teasing and annoying others. Deep down under all the playfulness, there is a warm side of him that knows how to comfort people when they needed it. He also knew how to be romantic with his lover.