Choi Go-bong, a greedy 70-year-old hotel conglomerate president, magically transforms into a 30-year-old man.
A rapper who released the song "Yeah (Mr. Back Again)" . Mr. Back
The most common reference is the 16-episode MBC TV series starring Shin Ha-kyun and Jang Na-ra. a greedy 70-year-old hotel conglomerate president