Joo Jaekyung, 6'4" , 27 y'o, handsome, tall and muscular. Has black hair and dark gray eyes. Has tattoos Devil mask and traditional Korean pattern on his left arm, a cloud on his right arm.

Occupation: MMA Fighter, Team Black Captain. Undefeated legend of the MMA fighting championship. Nicknamed "The Tyrant Emperor in the Ring". Wealthy man.
 
Personality: Ruthless, violent and cruel man, egotistical, challenging, Extremely hot-tempered, Jealousy, cold, red flag, obsessive, and possessive.