| date | CD | seiyuu |
| 1998.01.14 | Sentimental Graffiti CD Collection vol 2 Ayasaki Wakana (BPPZ1008) | Oda Michiko |
| 1998.01.14 | Sentimental Graffiti CD Collection vol 2 Matsuoka Chie (BPPZ1012) | Yonemoto Chizu |
| 1998.01.14 | Sentimental Graffiti CD Collection vol 2 Morii Kaho (BPPZ1011) | Mannaka Yukiko |
| 1998.01.14 | Sentimental Graffiti CD Collection vol 2 Nagakura Emiru (BPPZ1009) | Maeda Ai |
| 1998.01.14 | Sentimental Graffiti CD Collection vol 2 Sawatari Honoka (BPPZ1007) | Suzuki Mariko |
| 1998.01.14 | Sentimental Graffiti CD Collection vol 2 Sugihara Manami (BPPZ1010) | Toyoshima Machiko |
| 1998.01.21 | Graduater (SRDL-4442) | Shiina Hekiru |
| 1998.01.21 | Omatsuri Dance/Watashi no Aozora | Yokoyama Chisa, Orikasa Ai |
| 1998.01.?? | Cage III | Miyamura Yuko, Miki Shinichirou |
| 1998.02.04 | Fine Colorday | Hayashibara Megumi |
| 1998.02.25 | Looking For (KIDS-7603) | Kouda Mariko |
| 1998.03.04 | Mouichido Kiss Shiyou [Fujisaki Shiori] (KIDA-7641) | Kingetsu Mami |
| 1998.03.21 | Jibun no Ichiban (CODC-1462) | Toyoshima Machiko |
| 1998.03.27 | Catch Up Dream (KIDA-7640) | Tange Sakura |
| 1998.04.22 | Kiseki no Umi | Sakamoto Maaya |
| 1998.04.24 | Infinity (KICA-161) | Hayashibara Megumi |
| 1998.04.29 | LaLaLa -Kuchibiru ni Negai wo Komete- | Ohmori Reiko |
| 1998.05.13 | Power of Love | Ohsawa Chiaki |
| 1998.05.20 | Itsuno Himo -Song of Flower- [Shiela Sheffield] (PCDB-009) | Hikami Kyoko |
| 1998.05.20 | Sha La La! -Genki ni Naare- [Trisha Foster] (PCDB-010) | Iizuka Mayumi |
| 1998.05.22 | Say Hello! (KIDS-7604) | Kuribayashi Mie, Kingetsu Mami |
| 1998.06.03 | Characater Single Touya (VIDL-30225) | Seki Tomokazu, Tange Sakura |
| 1998.06.03 | Character Single Kero-chan (VIDL-30226) | Hisakawa Aya, Tange Sakura |
| 1998.06.03 | Character Single Sakura (VIDL-30224) | Tange Sakura, Tanaka Hideyuki |
| 1998.06.07 | Kaze no Nemuru Shima (PCDA-1071) | Miyamura Yuko |
| 1998.06.17 | Anime Complex Taikenban Video | Tange Sakura, Inoue Kikuko, Miyamura Yuko |
| 1998.06.17 | Pa-Zu-Ru [El Lewis] (PCDB-011) | Orikasa Ai |
| 1998.06.17 | Tsubasa Hirogete.. [Claire Corraine] (PCDB-012) | Iwao Junko |
| 1998.06.24 | Arigato (VICL-35030) | Miyamura Yuko |
| 1998.06.24 | Character Single Shaoran (VIDL-30229) | Kumai Motoko, Tange Sakura |
| 1998.06.24 | Character Single Tomoyo (VIDL-30227) | Iwao Junko, Tange Sakura |
| 1998.06.24 | Character Single Yukito (VIDL-30228) | Ogata Megumi, Tange Sakura |
| 1998.06.24 | Haru Iro Photograph (TYDY-2116) | Kusachi Fumie |
| 1998.06.24 | Jewelry Love (TYDY-2117) | Ishikawa Hideo |
| 1998.06.24 | Transparence (TYDY-2115) | Ohmori Reiko |
| 1998.07.03 | Raging Waves | Hayashibara Megumi |
| 1998.07.17 | Dream and Peace [Diana Rainy] (PCDB-014) | Asada Yoko |
| 1998.07.17 | Tenshi no Egao [Melody Sinclair] (PCDB-013) | Nishihara Kumiko |
| 1998.07.23 | Akogare [Mariya] | Hayashibara Megumi |
| 1998.07.23 | Last Impression [Two-Mix] (KIDS-391) | Takayama Minami |
| 1998.08.07 | Believe/Kono Kumo no Eien no Youni | Kuwashima Houko |
| 1998.08.07 | Boys & Girls [Asterisk] | Maeda Ai, Maeda Konomi, Maeda Chiaki |
| 1998.08.21 | Koreha Korede Arikana Nante.. (VPCG-82109) | Hisakawa Aya |
| 1998.08.?? | Cage IV | Seki Tomokazu, Inoue Kikuko |
| 1998.09.04 | A House Cat | Hayashibara Megumi |
| 1998.09.04 | Free (KIDA-7647) | Tange Sakura |
| 1998.09.18 | Glass no Mullion | Sakurai Tomo |
| 1998.09.19 | Anataga Irukara (CODC-1616) | Toyoshima Machiko |
| 1998.09.23 | O- Chinchin / Oppai ga Ippai (VIDL-30357) | Iwata Mitsuo, Miyamura Yuko, Aikawa Rikako |
| 1998.10.23 | Proof of Myself | Hayashibara Megumi |
| 1998.10.23 | Tenshi no Yubikiri | Fukuda Mai |
| 1998.10.23 | Yume no Naka he/S.O.S. | Enomoto Atsuko, Suzuki Chihiro, Watanabe Yuki, Yamamoto Maria |
| 1998.11.18 | Douzo Yoroshikune (PCDG-102) | Inoue Kikuko |
| 1998.11.27 | Stand By Me (KIDA-7649) | Tange Sakura |
| 1998.12.31 | Akaruku Ikouyo (APDM-9005R) | Mannaka Yukiko |
| 1998.12.31 | Ground Cherry (APDM-9008R) | Okamoto Asami |
| 1998.12.31 | Isshun no Eien (APDM-9009R) | Makishima Yuki |
| 1998.12.31 | Kaze ni Noseta Love Song (APDM-9002R) | Yonemoto Chizu |
| 1998.12.31 | Mu Gen Sou (APDM-9006R) | Oda Michiko |
| 1998.12.31 | My Little Wish (APDM-9012R) | Suzuki Mariko |
| 1998.12.31 | Osananajimi (APDM-9011R) | Okada Junko |
| 1998.12.31 | Pure Blue (APDM-9007R) | Konno Hiromi |
| 1998.12.31 | Resolution (APDM-9001R) | Suzuki Urarako |
| 1998.12.31 | Tenshi no Okurimono (APDM-9003R) | Nishiguchi Yuka |
| 1998.12.31 | Tsubasa wo Hirogete (APDM-9004R) | Toyoshima Machiko |
| 1998.12.31 | Wonderland (APDM-9010R) | Maeda Ai |
| 1998.??.?? | Anata ga Oshiete Kureta Mono | Nagai Nobuko |