| Name | Type | Role | |
|---|---|---|---|
| Kim Joo-eun | Musical Guest | Hearts2Hearts - Juun | |
| Honey J | Musical Guest | BUMSUP - Honey J | |
| Noh Jihye | Musical Guest | BUMSUP - no:ze | |
| Jeong Lee-an | Musical Guest | Hearts2Hearts - Ian | |
| Lip J | Musical Guest | BUMSUP - Lip J | |
| Hearts2Hearts | Musical Guest | Hearts2Hearts | |
| Rihey | Musical Guest | BUMSUP - Rihey | |
| Nyoman Ayu Carmenita | Musical Guest | Hearts2Hearts - Carmen | |
| Choi Hyo-jin | Musical Guest | BUMSUP - Hyojin Choi | |
| Choi Ji-woo | Musical Guest | Hearts2Hearts - Jiwoo | |
| Kang Hye In | Musical Guest | BUMSUP - Aiki | |
| Lee Lee Jung | Musical Guest | BUMSUP - Leejung | |
| Park Bo-gum | Host | Park Bo-gum |