Kim Seokjin
Born on December 4, 1992
Doctor. Second oldest of the Kim Siblings and also the most responsible. Wanted to be an actor but let go of his dreams so his siblings could follow theirs. Kwon Yuri's long-time boyfriend since high school and the one that usually bails her and Hyoyeon out of trouble.
 

Kwon Yuri

Born on December 5, 1993. Actress and Model. Biual and very adventurous. Always made (makes) Seokjin do out of his comfort zone. Kim Hyoyeon's best friend and roommate until she later moves in with Seokjin.

Kim Hyoyeon
Born on September 22, 1993.
Professional Dancer and Ballerina. Third oldest of the Kim Siblings. Biual. Troublemaker back in her high school and college days, but she still loves to be a little daring. Yuri's best friend and partner in crime when she is up for a little mischief.


 

Seo Joohyun
Born on June 28, 1995
Doctor. Confident and has never needed anyone, especially not Kim Taehyung who she has some type of relationship with. Is afraid to admit that she is indeed in love with Taehyung, thinking it makes her weak when feelings are involved. Yuri's half sister. Best friend of Choi Sooyoung and Im Yoona.

 

Jung Hoseok
Born on February 18, 1994
Choreographer. Flirty, enjoys the best of both worlds and strays away from commitment and instead loves one night stands. Strongly attracted to Im Yoona, even though she gives him the cold shoulder. Jung Sooyeon's younger brother. Kim Namjoon's best friend.
 

Choi Sooyoung
Born on February 10, 1994
Supermodel. Isn't one to talk out her feelings, instead she goes with the flow, total opposite of Kim Namjoon, her on-off boyfriend since her sophomore year of college. When she feels too trapped she tends to run away. Seo Joohyun and Im Yoona's best friend.
 

Jeon Jeongguk
Born on September 1, 1997
Singer. Has had feelings for Kim Hyoyeon since he was sixteen years old and hates that fact that she only sees him as a little brother. Dated many girls trying to get her attention, but that never worked. Park Jimin and Kim Taehyung's best friend.


 

Jung Sooyeon/Jessica Jung
Born on April 18, 1991
Fashion Designer. Biual, serious and close-off but is very blunt and does not spare anyone's feelings. Jung Hoseok's older sister. Ex-girlfriend of Min Yoongi, whom she tries to stay clear off but never seems to. Kim Taeyeon's best friend.

 

Kim Taehyung
Born on December 30, 1995
Actor and Model. Youngest of the Kim Siblings and also very spoiled by his sisters. Only people he fears are Kim Seokjin and Jung Sooyeon. Has a very complicated relation with Seo Joohyun, whom he loves messing with knowing full well of the consequences. Park Jimin and Jeon Jungkook's best friend.
 

Im Jaebum
January 6, 1994. Photographer. Rule breaker and does not give respect until its earned. Infatuated with Kim Taeyeon, though he refuses to acknowledge that fact seeing as she can't stand him for some unknown reason. Im Yoona's cousin. Min Yoongi's best friend.

Kim Taeyeon
Born on March 9, 1991
Singer. Oldest of the Kim Siblings. Reserved and keeps her feelings -good or bad- bottled up. Jung Sooyeon's best friend and safe haven. Isn't one to dislike others, but she is very sure that she strongly dislikes Im Jaebum.

Kim Namjoon
Born on September 14, 1994
Philosophy Professor. Fourth oldest of the Kim Siblings and also the smartest having graduated college at the age of eighteen. May be intelligent but is at loss when it comes to his feelings for Choi Sooyoung. Jung Hoseok's best friend.

Tiffany Hwang Minyoung
Born on August 1, 1992
Lawyer. Out-spoken and is never one to lose an argument be it against her fiance Mark Tuan, her best friend Lee Sunkyu and definitely not in court. Comes of as bossy and cold, always with a stoic face. Min Yoongi's cousin.

Min Yoongi
Born on March 9, 1993
Music Producer. Fun loving and loves to party as a way to relieve stress and also indulges himself in the attention he gets from males and females. Wants to get over Jung Sooyeon since they broke up two years ago. Tiffany Hwang's cousin. Im Jaebum's best friend.

Im Yoona
Born on May 30, 1994
Wedding Planner. Despite planning weddings, she does not believe in love, after witnessing her mother heart be broken multiple times. May have hooked up with Jung Hoseok, but does not seem to remember the encounter. Im Jaebum's cousin. Seo Joohyun and Choi Sooyoung's best friend.

Mark Tuan Yi-eun
Born on September 4, 1993
Movie Director. Hyper- energetic and can never stay still. Knowns when to be serious and does a 360 degree switch when things does not go his way or someone makes him angry. Tiffany Hwang's fiance and childhood friend. Best friends with Kim Seokjin

Lee Sunkyu

Born on May 15, 1992
Chef. All work no play type of gal who has no time for relationships, though she finds herself being attracted to Park Jimin, who is not her type and too young for her. Tiffany Hwang's best friend and the only person that can stand up against her, sometimes.
 

Park Jimin
Born on October 13, 1995
Professional Dancer. Shy as they come but very passionate about his dancing, which he has been doing since he was five. Usually goes for girls younger than him, so he does not understand what it is about Lee Sunkyu that makes him want her so much. Kim Taehyung and Jeon Jungkook's best friend.