A&R: Niigaki Risa ft. Mitsui Aika
| Anime | Song | Artist | Year |
|---|---|---|---|
| Robby & Kerobby | A&R: Niigaki Risa ft. Mitsui Aika (Morning Musume) Okai Chisato (°C-ute) Nakajima Saki (°C-ute) | 2007 |
| Anime | Song | Artist | Year |
|---|---|---|---|
| Robby & Kerobby | A&R: Niigaki Risa ft. Mitsui Aika (Morning Musume) Okai Chisato (°C-ute) Nakajima Saki (°C-ute) | 2007 |