The leader of the F4 and heir to the Shinhwa Group, one of the biggest companies in South Korea. His mother is a cruel woman who believes that only beneficial relationships are allowed. He is hot-tempered and believes that there is nothing that money can't buy. Though he's unable to express his feelings, deep down, he has a heart of gold. He always try to protect Jan Di even if it means hurting his own feelings. He torments Jan Di after she stands up to his bullying ways, but ends up falling in love with her and does everything to protect her.
