CHOI SEUNG HYUN -A man who always brokes woman heart after using them. Came from a rich family that famous around Asia.His parents always nagging at him about his habit.His father wished that his beloved son will change and take his place to run their company but he refused it because he want to enjoy his life.Now,he moved out from his family big house and living alone but he still using his parents money to support him..(oh..stubborn boy!!!) IM YOONA -A beautiful girl that melt every man's heart.Always using a same excuse to brake up with her toys(boyfriends).She just playing around with those man because she like it.She like it when those fellows man get dumped by her for a secret reason. Her parents worried about her hobby because she is still a girl who need be aware from a wild man.Although she is a player,she never let her body touched by anyone!She still has a pride.She came from a richest family that own a very big company around Asia.