| Name | Period | Host |
|---|---|---|
| Dongho Chae | Jan 1, 2019 ~ Dec 31, 2019 | Choe, Jaigyoung |
| Shin, Sug Woo | Dec 26, 2018 ~ Jan 4, 2019 | Choi, Youn-Seo |
| Oh, Hee | Dec 16, 2018 ~ Jan 9, 2019 | Choi, Youn-Seo |
| Oh, Hee | Dec 15, 2018 ~ Jan 14, 2019 | Choi, Youn-Seo |
| Lee, Kyungyong | Dec 12, 2018 ~ Jan 2, 2019 | Park, Jinsung |
| Lee, Kyungyong | Dec 12, 2018 ~ Jan 2, 2019 | Park, Jinsung |
| Kim, Henry | Nov 28, 2018 ~ Dec 15, 2018 | Choi, Youn-Seo |
| Catanese, Fabrizio | Oct 1, 2018 ~ Oct 31, 2018 | Keum, JongHae |
| Kwon, Namhee | Sep 1, 2018 ~ Aug 31, 2019 | Choe, Jaigyoung |
| Cho, Soojin | Sep 1, 2018 ~ Aug 31, 2019 | Kim, Bumsig |
Schools
