videos news videos news Mumul Zzumul 2021 returning series 1 season Drama Depicting problems like bullying, dating, gaslighting and friendship issues surrounding high school teenagers. watched want to watch news ✕ loading… videos ✕ (미공개판) 친구였던 것｜웹드라마, 절교, 학교폭력 [무물쭈물] trailer cast Park Yeon-ah Yoon Yi Jin Lee So-i Kim Seo Yoon Ma Hyun-ji Eun Ha Park Eun-woo Yu Jin Lee Soi Seol Ah seasons Season 1 14 episodes · 2021
