You lived in America.. and your brother Sanghwa in Korea.. Sanghwa was a mafia and it bothered you.. You two were good siblings.. You traveled to Korea for a big party.. Sangua followed you. the airport and took you home... The next day while you were at a party, Sanghwa was standing next to a man watching you.. "She's beautiful".. the man said to Sanghwa... "You better look at her."she is my sister .. Don't look her or I will kill you" Sanghwa said angrily.. Sanghwa was very cold and harsh...