| Name | Period | Host |
|---|---|---|
| Oguiso, Keiji | Jun 2, 2019 ~ Jun 6, 2019 | Hwang, Jun-Muk |
| Lee, Kyungyong | May 4, 2019 ~ Aug 10, 2019 | Park, Jinsung |
| Oguiso, Keiji | May 3, 2019 ~ May 9, 2019 | Hwang, Jun-Muk |
| Favero, David | Apr 30, 2019 ~ May 31, 2019 | Kim, Bumsig |
| Kim, Henry | Apr 23, 2019 ~ May 11, 2019 | Choi, Youn-Seo |
| Sibony, Nessim | Apr 15, 2019 ~ May 25, 2019 | Hwang, Jun-Muk |
| Shin, Sug Woo | Mar 23, 2019 ~ Mar 28, 2019 | Choi, Youn-Seo |
| Oguiso, Keiji | Mar 8, 2019 ~ Apr 6, 2019 | Hwang, Jun-Muk |
| Park, Euiyong | Mar 1, 2019 ~ Feb 29, 2020 | Keum, JongHae |
| Heo, Jaeseong | Mar 1, 2019 ~ Feb 29, 2020 | Park, Jinsung |
Schools
