Jeonghyuk Oh

Jeonghyuk Oh (Oh Jeonghyuk) is Professor Frost's first patient at Yonggang University.

Appearance
Jeonghyuk is a man in his early thirties with black eyes and short black hair. Aside from his fancy job and pretty well-off life, Jeonghyuk is average in many ways. He has an average height and build for a man of his age and has average looks. He is a respected worker in San-Dong Pharmaceuticals and therefor dresses accordingly.

Personality
Jeonghyuk is very confident about himself and is proud with how he is.

Jeonghyuk Oh's ex-girlfriend
She dated Jeonghyuk for two months, and during that time she was smothered with lavish gifts. However, she did not return his feelings and left him.

Trivia

 * The pin number to his apartment is the date of his mother's death.
 * He keeps an album of all the girls he has dated.
 * He organized the pictures according to date and color coded the section of the girls he dated respectively.