Song Jihyo

-An actress that graduates from Seoul Institute of Arts...
-Born in Pohang and used to live with her mum and sister(Jessica)..
-Dad had passed away... 
-27 years old and still single...
-Befriend with Lee Dong Wook((Dongwookie) just about six months ago..
-Traits:- always smile, wise, caring and loving, very gorgeous, had many secret admirers but didn't realise it because she's blank at times, had a secret crush on her clique which is also her best friend (Dongwookie),sleepyhead,hardworking and talented...
-Nickname:Mong Ji Hyo (clueless)

Kim DongJun

-A singer and an actor 
-gets job opportunities from multiplies audition he attended
-An orphan
-Currently lives with a roommate
-21 years old and still single
-Traits:- A dedicated person, very enthusiastic in doing his job, very attractive, athletic, multi-talented, innocent when it comes to love matter, kind-hearted and had a secret crush on Song Jihyo.
-Nickname: Kim Enthusiastic
 

Lee Dong Wook

-An actor
-ex-trainee from King Kong Talent Agency
-son of the Ceo of King Kong Talent Agency
-27 years old and still single
-Jihyo's clique(for six months) and also best friend...
-Traits:- Good looking, flirtatious yet charming, talkative at times, likes to tease Jihyo,
-Nickname: Dongwookie