Hayashi Koko CDs (singles)
Koko appears (sings/talks) in the following CD singles.
| 2023.08.09 | Hitoshizuku (BRMM-10680) | Song |
| 2024.03.30 | Sasurai (BRMM-10771) | Song |
| 2024.04.10 | Nijigasaki Gakuen Kouka (LACM-24530) | Song |
| 2024.07.24 | Panorama (BRMM-10813) | Song |