Na Do Hun is the real name of Richard. He originates from Korea and a Korean national. He celebrates his birthday on January 20 and currently 17 years old. His religion eas Methodist Christian. His favorite sport is basketball as his hobby. His favorite colors are black and red. His favorite foods are noodles and kimchi. His favorite show was Iris. His favorite actor is Anthony Hopkins and The Beatles is his favorite band singer.

More often, Richard's first impressions was a bad boy. Maybe because he love rock songs and he acts snappy. But in real life, Richard is so loyal and romatic teenager. Even though they have so many quarrels of his past girlfriend, he was always there. But even with his humbleness, he was left by her.

Richard was smart and well-disciplined. But if his he fall inlove, he always left his study behind just like when he did not study for an exam just to make a gift for his girlfriend.

Do the girls of the Apartment appreciate the sweetness of Richard or they will notice first his "bad boy" impression?