D4 Princess
| label | title | vocalist (if known) | cd info (if known) |
| ed | Doriru de Runrun Kuru Runrun (Drill de Runrun Kuru Runrun) | Kawana Midori and Omimura Mayuko | unknown |
| radio drama | Muteki no Heroine (Invincible Heroine) | Kawana Midori and Omimura Mayuko | unkown |
10-6-03