| Name | Period | Host |
|---|---|---|
| Cho, Soojin | Sep 1, 2018 ~ Aug 31, 2019 | Kim, Bumsig |
| Sibony, Nessim | Aug 22, 2018 ~ Oct 5, 2018 | Hwang, Jun-Muk |
| Shin, Sug Woo | Jul 10, 2018 ~ Aug 19, 2018 | Choi, Youn-Seo |
| Huh, June | Jun 25, 2018 ~ Aug 1, 2018 | Keum, JongHae |
| Jeong-Yup Lee | Jun 15, 2018 ~ Feb 15, 2019 | Park, Jinsung |
| Zhang, Genkai | Jun 12, 2018 ~ Jul 5, 2018 | Kim, Inkang |
| Jang, Juhi | Jun 8, 2018 ~ Aug 11, 2018 | Park, Jinsung |
| Ionut Ciocan-Fontan | Jun 1, 2018 ~ Jul 1, 2018 | Kim, Bumsig |
| Oh, Hee | May 26, 2018 ~ Aug 6, 2018 | Choi, Youn-Seo |
| Lee, Kyungyong | May 6, 2018 ~ Aug 10, 2018 | Park, Jinsung |
Schools
