The leader of F4 and the heir of the largest conglomerate in Korea. Raised by servants, instead of busy parents, Jun-pyo’s got the world there is nothing that can not be done. Growing up as the son of the rich family, he has gone through numerous of kidnapping, terror attempt. He is a master of martial arts and self defense skills, but avoids swimming because he experienced drowning when he was kidnapped. His older sister, Jun-hee, is the one who he afraids the most. Ironically, Jun-pyo falls in love with Jandi, who reminds him of his sister. Jun-pyo’s got natural curly hair, hot-tempered, but has an innocent heart. Although he can fluently speak 5 languages, he shows weakness on common sense and Korean vocabulary. Jun-pyo has simple and straight personality and relies upon intuition more rather than being rationalized. He is pure at heart in front of a girl he likes, so he gets hurt when he figures out Jan-di likes Ji-hu, his closest friend among F4.