Park Sooyoung (joy/you)  is a 16 year old girl and the definition of "perfection".She is a sweet,nice,strong ,rich ,fashionable and well mannered girl.She is the head student of her school.Everyone love her.She is an athlete.She can play different sports.Which is very cool.She was a martial art fighter since she was 5 years old.She love to dance,swim,sing and play musical instruments such as guitar,piano,and violin