Yamadera Kouichi CDs (solo)
Kouichi has released the following solo CDs.
| 1990.08.22 | Glory Days (TYDY-5131) | Song |
| 1992.12.16 | Breath (TYCY-5272) | Song |
| 2000.12.16 | Time Capsule 10 Eternal Songs (MECH-28114) | Song |