Hierarchy is a Korean Romance, Mystery, Drama (2024). Hierarchy cast: Roh Jeong Eui, Lee Chae Min, Kim Jae Won. Hierarchy Release Date: 7 June 2024. Hierarchy Episodes: 7. The school was made by the gathering called the Jooshin Gathering. By and large, just those that are chosen by birth to go to Jooshin Secondary School can be conceded.