Cast: Jung HaeYoon (You) (21) you are a cute girl, born as the 2nd of the twins. along with your twin brother, Jung Haewon, you had been moving all around countries because of your father's Job as a diplomat of Korea in several different countries in Europe, America and even Indonesia. that makes you and your twin fluent in some foreign languages. you are quite a boyish girl who loves music, dancing, and sports. along with your twins, you joined swimming and athletic champ