Clean and neat hairstyle, quiet and calm personality, standard wearing masks, whether it is a hairstyle, or a mask, strictly abide by the standard show, is the strongest model representative of this era!
A hairstyle code posted at the entrance of a Korean middle school with The Dawn Show as a model

Specifications for the correct use of masks:
Even Lang Jun's lines came out! "Am I the only one who is uncomfortable?" was posted on the door of the classroom