Guest Appearances by Rei
| Artist | Song Performances | |
|---|---|---|
| 1 | Duki | |
| 2 | María Becerra | |
| 3 | MAISONdes | |
| 4 | FMK |
Songs sung on guest appearances
This table lists all songs when Rei joined other artists. Multiple performances from the same setlist are also counted towards the total.
| Song | Song Performances | |
|---|---|---|
| 1 | Pintao (Duki cover) Play Video stats | |
| 2 | Pininfarina Play Video stats | |
| 3 | Mi amor (María Becerra cover) Play Video stats | |
| 4 | Furi (MAISONdes cover) Play Video stats | |
| Kimi ni Fusawashii Kiseki (MAISONdes cover) Play Video stats | ||
| La gira (FMK cover) Play Video stats |
