CHARACTERS   Kim Haeun (OC), 20 years old, currently studying in Seoul University, friendly, helpful, loves cooking, basketball, and watching soccer. Your parents own a business in Korea, handed over to your older brother, Kim Sang Bum, and they retired in Australia.   Lee Kikwang, 23 years old, a member of Seoul University dance group B2ST, cheerful, loves dancing, soccer and basketball.