Actor Kim Seung-hyun, Choi, and singer Ji-jo appeared as guests in the JTBC entertainment program "Let's Talk" broadcasted on the night of the 22nd.
Choi has been a uniform Model in the past.
Choi said, "I had done the actor Song Hye-kyo and S uniform Model," and bought the envy of the cast. Choi also recounted the past, saying, "At the time I was fashionable to wear hoodies inside the uniform."
Also, he recalled a great popularity in the past: Choi was surprised to say, "I received a fan letter about the amount of a large refrigerator box for a week."