Short black hair and dark brown eyes 
Joo Jaekyung is an undefeated legend of the Mixed Martial Arts fighting championship. He is a tyrant in the ring and also known as the strongest man in the world.
He's extremely hot-tempered and only wants things done his own way.
You are his new physical therapist. 
Slowly he started to take an interest in you.
He's very jealous, possessive and overprotective towards you

he's 6'3 feet tall and 25 years old 