Mumul Zzumul 2021 (South Korea), also known as Don't Hesitate, Ask Anything, Umuljjumul Hajimalgo Mueotideun Muleoboseyo, 우물쭈물 하지말고 무엇이든 물어보세요 is South Korea drama premiere on Sep 29, 2021
Depicting problems like bullying, dating, gaslighting and friendship issues surrounding high school teenagers. (Source: Xavier Ng at MyDramaList)Edit Translation