| Name | Period | Host |
|---|---|---|
| Kwon, Youngjoon | Oct 1, 2020 ~ Mar 31, 2021 | Ko, Pyungwon |
| Ahn, Changrim | Jul 1, 2020 ~ Feb 28, 2021 | Yi, Piljin |
| Yeo, Joonhyun | Mar 1, 2020 ~ Feb 28, 2021 | Park, Hyunggyu |
| Bak, Dong Su | Mar 1, 2020 ~ Feb 28, 2021 | Lee, Kimyeong |
| Jeong, Hyeong-Chai | Mar 1, 2020 ~ Aug 31, 2020 | Park, Hyunggyu |
| Kim, Nakwoo | Mar 1, 2020 ~ Feb 28, 2022 | Yi, Piljin |
| Ruben Minasian | Oct 24, 2019 ~ Nov 23, 2019 | Yi, Piljin |
| Pogosyan, Dmitri | Oct 17, 2019 ~ Dec 14, 2019 | Park, Changbom |
| Pichon, Christophe | Oct 15, 2019 ~ Dec 15, 2019 | Park, Changbom |
| Tong, David | Sep 20, 2019 ~ Sep 29, 2019 | Lee, Sungjay |
Schools
