Kim Taeyeon / Park Taeyeon

- 21, Male. He ran way and moved to Seoul when he turned 19. He wanted to continue his studies but decided start working as a bartender when he dropped out of college. He is an introverted person, most girls tried getting his attention but none of them ever gets it. He is still in love with his ex girlfriend, Nicole.

Tiffany Hwang

- 21, Female. She is every guy's ideal girl and her life is every girl's dream. She came from a well off family. She lives in the US with her family. She may seem happy all the time but deep inside she's been keeping all the loneliness to her self.

Jessica Jung

- 24, Female. Tiffany's older cousin / best friend. She and Tiffany grew up together but she moved to Korea when her father started a business. She is cold to others but for Tiffany, she is he warmest person on earth. Jessica stayed by Tiffany's side when her mother passed away.

Kwon Yuri

- 24, Male. Taeyeon's roommate. He met Taeyeon at the university. He loves to dance and act like a cassanova when in fact he never really had a girlfriend before. He works at a dance studio as a choreographer.

Lee Sunny

- 22, Female. She owns of the bar where Taeyeon is working at. She is close with Taeyeon and others would think that they are dating but she only treats him like a little brother. Cute and nice when sober but once she gets drunk, she can turn into a total b*tch.

Choi Sooyoung

- 23, Male. Sunny's on-off boyfriend. Loves Sunny but they always fight because he loves to eat and Sunny loves to drink. He works as a model but what he really want to do is cook.

Kim Hyoyeon, Im Yoona, Seo Juhyun/Seohyun

-They are Taeyeon's childhood friends. He lost contact with them when he moved to Seoul. They have been very supportive and understanding with him. Taeyeon treats them as his own brother and sisters.