Lyrics by Title
- 19sai - Suga Shikao - xxxHOLiC OP
- Agony - Kotoko - Kannadzuki no Miko ED
- Aikoi - FictionJunction Yuuka - Tsubasa Chronicle insert song
- Aishitageru - Loverin Tamburin - Makai Senki Disgaea OP
- Akatsuki no Kuruma - FictionJunction Yuuka - Kidou Senshi Gundam Seed insert song
- Akai Tobira - Yousei Teikoku
- Aoki Flamme - Yoko Takahashi - Pumpkin Scissors OP
- Amrita - Yui Makino - Tsubasa Chronicle - Torikago no Kuni no Himegimi ED
- Angel Gate - FictionJunction Yuuka
- Anna ni Issho Datta no ni - See-Saw - Kidou Senshi Gundam Seed ED 1
- Ash Like Snow - The Brilliant Green - Kidou Senshi Gundam 00 OP 2
- Bokutachi no Yukue - Hitomi Takahashi - Kidou Senshi Gundam Seed Destiny OP 3
- Boukoku Kakusei Catharsis - Ali Project - .hack//Roots ED
- Bravin' Bad Brew - Riryka - Venus Versus Virus OP
- Break Out - JAM Project - Super Robot Taisen Original Generation - Divine Wars OP
- Cyclone - 12012 - Romeo x Juliet ED
- Daybreak's Bell - L'arc~en~Ciel - Kidou Senshi Gundam 00 OP 1
- Disarm Dreamer - Misato Aki - Genshiken 2 OP
- Doki Doki Waku Waku - Ayaka Saito - Ouran Koukou Host-bu "Honey" image song
- Dream Scape - FictionJunction Kaori - Tsubasa Chronicle insert song
- Egao no Wake - Kaori Hikita - Shounen Onmyouji OP
- Find the Way - Mika Nanashima - Kidou Senshi Gundam Seed ED 4
- Gift - Masami Okui
- Gothic Lolita Propaganda - Yousei Teikoku
- Go Tight! - Akino - Sousei no Aquarion OP 2
- Guilty Beauty Love - Mamoru Miyano - Ouran Koukou Host-bu Tamaki image song
- Hajimari no Hito - Natural High - Bartender ED
- Higurashi no Naku Koro ni - Eiko Shimamiya - Higurashi no Naku Koro ni OP
- Hito, Kami, Hata (Man God Machine) - Yuichi Ikuzawa - Kishin Houkou Demonbane OP
- Hold Heart - Nana Kitade
- Ii Ja Nai - Loverin Tamburin
- I'll Kiss You - Chiaki Ishikawa
- Inori ~ You Raise Me Up - Lena Park - Romeo x Juliet OP
- It's - Kinya - Tsubasa Chronicle OP2
- Jasmine - Yui Makino
- Kazemachi Jet - Maaya Sakamoto - Tsubasa Chronicle ED2
- Kaze no Machi e - FictionJunction Keiko - Tsubasa Chronicle insert song
- Kibou no Kakera - Nana Kitade - Demashitaa! Powerpuff Girls Z OP 1
- Kimi e no Ai wo - Akiko Kawakami
- Kimi ga Sora Datta - Misato Aki - Mai-HiME ED
- Kimi wa Boku ni Niteiru - See-Saw - Kidou Senshi Gundam Seed Destiny ED 4
- Kouya no Heath - Akino - Sousei no Aquarion episode 14 ED
- Kouya Ruten - FictionJunction Yuuka - Bakumatsu Kikansetsu Irohanihoheto OP
- Kusari - Akiko Kawakami - Makai Senki Disgaea ED
- Life Goes On - Mika Arisaka - Kidou Senshi Gundam Seed Destiny ED 2
- Mayonaka no Door - Yifei - Demashitaa! Powerpuff Girls Z ED 1
- Mercury Go! - Kana Ueda (as Sergeant Major Stekkin) - Pumpkin Scissors ED
- Million Love - Mai Nakahara - Kage Kara Mamoru! OP
- Mirai no Kioku - Yuka - Kiddy Grade OP
- Modern Rose - Kanako Ito - Kishin Houkou Demonbane ED
- Nageki no Mori - Ayane - Higurashi no Naku Koro ni Matsuri (PS2) OP
- Nowhere - FictionJunction Yuuka - Madlax insert song
- Precious Rose - Hisami Shindou - Kidou Senshi Gundam Seed Cagalli image song
- Pride ~ Nageki no Tabi - Akino - Sousei no Aquarion insert song
- Rainy Beat - Ryoko Shintani, Sachiko Kojima, Ai Shimizu, and Erina Furukawa - Kage Kara Mamoru! ED
- Re-sublimity - Kotoko - Kannadzuki no Miko OP
- Rinbu Revolution - Masami Okui - Shoujo Kakumei Utena OP
- Romanesque - FictionJunction Yuuka - El Cazador de la Bruja ED
- Roppongi Shinjuu - Ann Lewis, covered by Nanase Aikawa and by Nana Kitade
- Sakura Kiss - Chieko Kawabe - Ouran Koukou Host-bu OP
- Sayonara - Yuria Yato - Saishuu Heiki Kanojo ED
- Senya Ichiya - See-Saw - .hack//Liminality OP 2
- Silly-Go-Round - FictionJunction Yuuka - .hack//Roots OP
- Shijun no Zankoku - Yousei Teikoku - Venus Versus Virus ED
- Shinkai no Kodoku - Houko Kuwashima - Kidou Senshi Gundam Seed Destiny Stellar image song
- Shissou - Last Alliance - Ouran Koukou Host-bu ED
- Skid Mark - Kinya
- Sousei no Aquarion - Akino - Sousei no Aquarion OP 1
- Spica - Maaya Sakamoto
- Split - Suneohair - Hachimitsu to Clover II ED
- Stargazer ~ Hoshi no Tobira - Satori Negishi - Kidou Senshi Gundam Seed C.E. 73 Stargazer ED
- Tasogare no Umi - See-Saw - .hack//Liminality ED
- This is a Girl - Nana Kitade
- Yakusoku - FictionJunction Yuuka
- Yoake Umarekuru Shoujo - Yoko Takahashi - Shakugan no Shana ED 1
- You Are My Love (Sakura Version) - Yui Makino - Tsubasa Chronicle insert song
- You Are the One! - Yoko Takahashi
- Yuubi Naru Kodoku - Riryka
- Zankou - Tetsu Inada - Tsubasa Chronicle Kurogane image song
- Zero-G - Masami Okui - Ray the Animation OP