According to Park Myung Soo, Winter from aespa and Han Yu Jin from ZEROBASEONE are the most beautiful idols he has met.

On August 11th, the 143rd episode of 'Halmyungsoo' was posted on YouTube. In this episode, Park Myung Soo candidly answered questions from the subscribers. One of the questions was "Who was the best-looking idols when you met them in person?" 

Park Myung Soo answered, "Among those who I met, and based on my individual perspective, the most beautiful idol was aespa's Winter. When you see Winter, you'll think someone like her is hard to exist in real life. For the male idol, ZB1's Yu Jin. He looked the most beautiful. So I jokingly told my daughter to date someone like him, Minseo immediately said she only stans TXT."

The relevant segment starts around the 4:15 mark in the video below.