Park Jiyeon as Park Jiyeon

Age: 21

Have a cold and arrogant appearance and personality, despite the fame she recieved from boys, she is actually the loneliest one with very little to no friend at all. She is the type of person whenever she wanted something, she will do anything she can to get it. Really competitive and never listen to anyone but when it comes to the person she loves, Jiyeon will do anything asked. Daughter of the owner of T.E.N Art College, because of that the students think that Jiyeon recieves special treatment plus her ignorance attitude, so nobody want to be friend with her.

Kang Seung Yoon as Kang Seung Yoon

Age: 20

A talented guy that captures many girls' heart in the school. Have a killer smile and a gentleman but a cold-quiet personality. He is really hard-working and currently the best artist in the school. Of course he has many fan-girls and also rivals. Despite his young age, instead of living with his parents or in the school dormitory, he lived alone in a big fancy apartment that was bought by his own money that he earned as a musican and producer in YG Ent.

Lee Jieun as Lee IU

Age: 21

Known as the angel of the school because of her sweet melodic voice that melts people's heart the moment she started to sing. Just like her voice, IU is also a sweet and kind girl. She is talented as well as an exellent student of the school, came from Busan. Due her family being not so well off so she got to live alone in a small rooftop house with her younger brother, Ricky. Worked as a volcanist for a band every night in a nearby cafe to her house for a living and also supporting her parents back in Busan. Her guitar is her most precious procession so she would never leave the house without her guitar carried behind her back.

Kim Hanbin as Kim Hanbin (B.I)

Age: 18

A pretty well off guy that live away from home with his best friend Bobby in the school's dormitory because he wanted to focus more on his music than anything else. Known as one of the best rapper in the entire school and very famous among girls. B.I is very confident and see Seung Yoon as his biggest rival. Never care about anyone even his family and also one of the biggest heart-breaker that breaks many girls heart, however deep inside his heart, there is one girl that he can never ignore. His family is close friend with T.E.N's president.

Cameo Character

Kim Jiwon as Kim Bobby

Age: 19

B.I's best friend, have a cheerful personality. Also a rapper and enjoys seeing girls go crazy for him. High confident as he won over his best friend, B.I at the T.E.N Art College's Rapping Competition.

iKON

A famous group of boys that includes B.I and Bobby in the school. Have high chance of getting scouted by YG Ent. as President YG has his eyes set on B.I.

Winner

A talented trainee group that is likely to debut by YG Ent., also study in T.E.N Art College. This group includes Seungyoon.

Ricky as Lee Ricky

age: 18

IU's cheerful younger brother.

Lee Chaerim as CL

The Charismatic Rapping Teacher.

Lee Min as Min

The Passionate Dance Teacher

Amy Lee as Ailee

The Powerful Vocal Teacher

And many more..