| 1997.01.21 | Queen's Road -Image Vocal Collection- (APCM-5096) | Song |
| 1997.02.05 | Yuugeki Uchuu Senkan Nadesico (KICA-337) | Song/Talk |
| 1997.02.21 | Queen's Road Gaiden (APCM-9008) | Talk |
| 1997.04.23 | Kidou Senkan Nadesico Asu no Kanchou ha Kimi da! (KICA-345) | Song |
| 1997.07.18 | Yuukyuu Gensoukyoku (PCCB-270) | Song |
| 1997.11.21 | Mega Blade (KICA-1202) | Talk |
| 1997.12.20 | Master of Vampire (COCC-14737) | Talk |
| 1998.04.29 | Yuukyuu Gensoukyoku 2nd Album drama CD vol 2 (PCCB-313) | Talk |
| 1998.10.23 | Yuugeki Uchuusenkan Nadesico (KICA-429 KICA-430) | Talk |
| 1999.02.26 | Eretzvaju Original Drama (AZCA-10017) | Talk |
| 1999.07.07 | Sensei no Ojikan 1 Jikanme (AVCT-15004) | Talk/Song |
| 1999.08.04 | Sensei no Ojikan 2 Jikanme (AVCT-15009) | Talk |
| 1999.11.25 | Sensei no Ojikan Volume 4 (AVCT-15013) | Talk |
| 1999.12.23 | Revive... "Portrait-2" (KICA-1228) | Talk |
| 2000.01.21 | Mugen no Ryvius Sound Edition 1 Sere 6.350 (VICL-60488) | Talk |
| 2000.02.23 | Excel Saga Volume 1 (VICL-60513) | Talk |
| 2000.02.25 | Nadesico Oshare Club (KICA-490) | Talk |
| 2000.04.28 | Denshin Mamotte Shugogetten (MACM-1097) | Talk |
| 2000.09.20 | Yuukyuu Kumikyoku All Start Project drama CD 1 (SCDC-00039) | Talk |
| 2000.10.12 | Minna de tsukuru Yuukyuu CD! (SCDC-00033) | Talk |
| 2000.10.18 | Yuukyuu Final Concert (SCDC-00048) | Skit |
| 2000.11.18 | Tales of Eternia drama CD vol 1 (MACM-1111) | Talk |
| 2000.12.16 | Tales of Eternia drama CD vol 2 (MACM-1112) | Talk |
| 2001.01.27 | Tales of Eternia drama CD vol 3 (MACM-1113) | Talk |
| 2001.02.24 | Tales of Eternia drama CD vol 4 (MACM-1114) | Talk |
| 2001.03.07 | Sensei no Ojikan 10 Jikanme () | Talk |
| 2001.03.24 | Tales of Eternia drama CD vol 5 (MACM-1115) | Talk |
| 2002.12.21 | G-On Riders Soundtrack 2 (MACM-1165) | Song |
| 2003.08.06 | Drama CD Tokimeki Memorial Girl's Side Chapter 1 (KMCA-187) | Talk |
| 2005.09.22 | Mamotte Shugogetten! Retrouvailles Drama CD 3 (FCCC-39) | Talk |