| Name | Type | Role | |
|---|---|---|---|
| Kim Do-young | Musical Guest | Treasure - Doyoung | |
| Jung Eun-bi | Musical Guest | Viviz - Eunha | |
| VIVIZ | Musical Guest | ||
| So Jung-hwan | Musical Guest | Treasure - So Jung Hwan | |
| Lee Chae-young | Musical Guest | StayC - Isa | |
| Park Jeong-woo | Musical Guest | Treasure - Park Jeong Woo | |
| Kim Ye-won | Musical Guest | Viviz - Umji | |
| STAYC | Musical Guest | ||
| Yoon Jae-hyuk | Musical Guest | Treasure - Yoon Jae Hyuk | |
| Bae Su-min | Musical Guest | StayC - Sumin | |
| Kanemoto Yoshinori | Musical Guest | Treasure - Yoshi | |
| Park Ji-hoon | Musical Guest | Treasure - Jihoon | |
| Jang Ye-eun | Musical Guest | StayC - J | |
| Choi Hyun Suk | Musical Guest | Treasure - Choi Hyun Suk | |
| Park Si-eun | Musical Guest | StayC - Sieun | |
| Hamada Asahi | Musical Guest | Treasure - Asahi | |
| Shim Ja-yoon | Musical Guest | StayC - Yoon | |
| Kim Junkyu | Musical Guest | Treasure - Junkyu | |
| Hwang Eun-bi | Musical Guest | Viviz - SinB | |
| TREASURE | Musical Guest | ||
| Watanabe Haruto | Musical Guest | Treasure - Haruto | |
| Yoon Se-eun | Musical Guest | StayC - Seeun |