Park Jiyeon

She's a tough girl. She always get into trouble... She is known as the badass queen at school 'cause she gets into fight alot. No one dares to mess with her every guy at school admires her but afraid to ask her out. Park Jiyeon is a 17 year old girl and lives on her own, she also had never been in love until this guy named Myungsoo came into her life that broke the coldness that surrounded her heart.

Kim Myungsoo

A 17 year old playboy. He has this eyes and smile that could melt any girl's heart... well, except for Jiyeon. He comes from a rich family, he's also popular at school. His bestfriends are Wooyoung, Ljoe, Luhan and Sunggyu. It all started when Myungsoo thought that he could capture Jiyeon's heart in a second so he made up a bet that if he catches Jiyeon's heart his friends would pay him a huge amount of money, but that bet became a huge mistake.

Luhan

16 years old... he also comes from a rich family. He adores Jiyeon but he's too shy to talk to her and ask her out.

Krystal

She is 16 years old and she is obsseses with Myungsoo. She is determinde and WILL DO ANYTHING to make Myungsoo hers.