A love story between the Crown Prince of Korea, a typical girl and a playboy, who knew something so small, would change everything?   Choi Eunsoo had it all, the looks, brains and beauty. She was one of the rare girls at Seoul University, she was kind and courteous to people. She had breeding and elegance. Being the only child and only girl in her family, she grew up without a female companion, but good for her she has one older cousin, Zhang Yixing, or Lay as o