Mamamoo covers "SexyBack" (Justin Timberlake). Sandeul covers "Love, The Common Word" (Kim Yeon-woo) and B1A4 covers "In The Same Place" (Girls On Top from Produce 101).
| Name | Type | Role | |
|---|---|---|---|
| B1A4 | Guest Star | ||
| Solar | Guest Star | ||
| Cha Sun-woo | Guest Star | ||
| Jung Whee-in | Guest Star | ||
| Jung Jin-young | Guest Star | ||
| Hwasa | Guest Star | ||
| CNU | Guest Star | ||
| Moon Byul | Guest Star | ||
| Gongchan | Guest Star | ||
| Sandeul | Guest Star |