| 空もハレルヤ | Background Vocal & Handclaps | Al『pray』(2002.11.20 BVCR-11045) |
| We can change the world | Background Vocal | Al『pray』(2002.11.20 BVCR-11045) |
| もみの木の下で… | Background Vocal | Al『pray』(2002.11.20 BVCR-11045) |
| Paradise | Back-up Vocals | Maxi『太陽と花びら』(2003.08.13 BVCR-19607) |