| Artist name | Roles | Recordings |
|---|---|---|
| BoA (South Korean singer and actress) | vocal | Girlfriend |
| Crystal Kay | vocal | Girlfriend |
| Artist name | Roles | Recordings |
|---|---|---|
| BoA (South Korean singer and actress) | vocal | Girlfriend |
| Crystal Kay | vocal | Girlfriend |
| Artist name | Roles | Recordings |
|---|---|---|
| BoA (South Korean singer and actress) | vocal | Girlfriend |
| Crystal Kay | vocal | Girlfriend |