In the KBS2 variety show ’The Boss Has Donkey Ears,’ Otolaryngology Department Chief Byun Hyung-kwon appears as the boss, and the academic records of otolaryngology residents Lim Da-ol and Oh Jae-eun are revealed.

When Oh Jae-eun appeared, Park Myung-soo and Jeon Hyun-moo said, ″Isn’t that IU?″ drawing attention. Oh Jae-eun revealed that she graduated second in her medical school class and shared her study secret: ″I memorized all the textbooks as if taking pictures of them.″

When Lim Da-ol appeared, Jeon Hyun-moo admired, ″She is really pretty. I think Da-ol will be very popular.″ Lim Da-ol shared about her school days, ″I never missed being first in my entire middle and high school.″ She also revealed, ″I have a lot of hospital work throughout the week, so I have no free time.″

Chief Byun Hyung-kwon advised the residents, saying, ″If you slack off during your residency, only you will suffer the consequences.″