ITZY '2021 Exposing Hard Disk'OverviewITZY's retrospective of 2021.First airedJanuary 3, 2022URL slugitzy-2021GenresRealityMini-SeriesArtworkPosterNo imageBackgroundNo imageIconBannerSeasonsSpecials0 episodesSeason 120 episodesCast & crewCastHwang Ye-ji — YejiChoi Ji-su — LiaShin Ryu-jin — RyujinLee Chae-ryeong — ChaeryeongShin Yu-na — Yuna
