Rimi Natsukawa discography Other appearances Other appearances

| Release_ | Artist | Title | Notes | Album_ |
|---|---|---|---|---|
| 2004 | Hiroshi Itsuki feat. Rimi Natsukawa | Deigo to Hanasu (デイゴとはまなす Talking with a Tiger`s Claw Flower?) |  | Onna no Ehon |
| 2005 | Chikuzen Sato with Rimi Natsukawa | Boku no Mune de Oyasumi (僕の胸でおやすみ Goodbye with My Heart?) | Features on Rimits: Best Duet Songs (2006) | The Selection of Cornerstones 1995-2004 |
| 2005 | Rimi Natsukawa | `Aa Kōshien` Kimi yo Hachigatsu ni Atsuku Nare (「あゝ甲子園」君よ八月に熱くなれ You Make Me Hot in August (from Ah, Kōshien)?) |  | Ningen Manyōka: Yū Aku Kashishū |