Koizumi Kousuke
小泉孝輔
| Koizumi Kousuke小泉孝輔 | |
| Language | Japanese |
Japanese composer
| Title | Released | Role | As | Note |
| Shiny Sisters | 2019-12-20 | Composer | Koizumi Kousuke | OP composition and arrangement |
| Waga Himegimi ni Eikan o | 2021-03-26 | Composer | Koizumi Kousuke | BGM, Elin ED, Noa ED |
| Hoshi no Otome to Rikka no Shimai | 2021-11-26 | Composer | Koizumi Kousuke | Insert and ED song arrangement |
| Otome to Fureau, Hitotsu Yane no Shita | 2022-04-28 | Composer | Koizumi Kousuke | OP and ED arrangement |
| Hana wa Mijikashi, Odoreyo Otome | 2022-09-30 | Composer | Koizumi Kousuke | ED arrangement |
| Happy Live, Show Up: Encore!! | 2023-06-30 | Composer | Koizumi Kousuke | Miyabi ED |
| Otome no Ken to Himegoto Concerto | 2023-07-28 | Composer | Koizumi Kousuke | ED arrangement |