| 26/01/1993 | Yume ni Konnichiwa (夢にこんにちは) | |
|
1. | Yume ni Konnichiwa |
| 2. | Liverpool ni Oide | |
| 3. | Yume ni Konnichiwa (Instrumental) | |
| 4. | Liverpool ni Oide (Instrumental) | |
| 21/08/1993 | Dare Yori mo Zutto... (誰よりもずっと) | |
|
1. | Dare Yori mo Zutto... |
| 2. | . Dare Yori mo Zutto... (Instrumental) | |
| 3. | [RADIO DRAMA] Nekketsu Denpa Kurabu Fantasia: Episode 1 "Hibon naru Gakuen Seikatsu" | |
| 21/01/1994 | I WAS BORN TO FALL IN LOVE | |
|
1. | I WAS BORN TO FALL IN LOVE |
| 2. | FULL UP MIND | |
| 3. | I WAS BORN TO FALL IN LOVE (Instrumental) | |
| 4. | FULL UP MIND (Instrumental) | |
| 05/03/1994 | REINCARNATION | |
|
1. | REINCARNATION |
| 2. | Ryoute Ippai no Yume | |
| 3. | REINCARNATION (Instrumental) | |
| 4. | Ryoute Ippai no Yume (Instrumental) | |
| 05/08/1994 | My Jolly Days | |
|
1. | My Jolly Days |
| 2. | BEATS the BAND | |
| 3. | My Jolly Days (Instrumental) | |
| 4. | BEATS the BAND (Instrumental) | |
| 21/12/1994 | It's DESTINY | |
|
1. | It's DESTINY -Yatto Meguriaeta- |
| 2. | Live alone Sennen Tattemo | |
| 3. | It's DESTINY -Yatto Meguriaeta- (Instrumental) | |
| 4. | Live alone Sennen Tattemo (Instrumental) | |
| 24/05/1995 | Get along (with Megumi Hayashibara) | |
|
1. | Get along |
| 2. | KUJIKENAIKARA! | |
| 3. | Get along (Instrumental) | |
| 4. | KUJIKENAIKARA! (Instrumental) | |
| 03/11/1995 | MASK | |
|
1. | MASK |
| 2. | LOVE IS FIRE | |
| 3. | MASK (Instrumental) | |
| 4. | .LOVE IS FIRE (Instrumental) | |
| 03/11/1995 | WHAT'S UP GUYS? | |
|
1. | WHAT'S UP GUYS? |
| 2. | MASK | |
| 24/01/1996 | Shake it to your heart | |
|
1. | Shake it your heart |
| 2. | Lonely soul | |
| 3. | Shake it your heart (Instrumental) | |
| 4. | Lonely soul (Instrumental) | |
| 24/04/1996 | Give a reason (with Megumi Hayashibara) | |
|
1. | Give a reason |
| 2. | Jama wa Sasenai (邪魔はさせない) | |
| 3. | Give a reason (Instrumental) | |
| 4. | Jama wa Sasenai (邪魔はさせない) (Instrumental) | |
| 05/12/1996 | naked mind | |
|
1. | naked mind |
| 2. | Niji no You ni | |
| 3. | naked mind (Instrumental) | |
| 4. | Niji no You ni (Instrumental) | |
| 05/03/1997 | J | |
|
1. | J |
| 2. | spirit of the globe | |
| 3. | J (Instrumental) | |
| 4. | spirit of the globe (Instrumental) | |
| 21/05/1997 | Rimbu -revolution- (輪舞 -revolution-) | |
|
1. | Rimbu -revolution- (輪舞 -revolution-) |
| 2. | I Can't... | |
| 3. | Rimbu -revolution- (輪舞 -revolution-)(Instrumental) | |
| 4. | I Can't... (Instrumental) | |
| 21/06/1997 | Souda, Zettai (そうだ、ぜったい。) | |
|
1. | Souda, Zettai (そうだ、ぜったい。) |
| 2. | Precious wing | |
| 3. | Souda, Zettai (そうだ、ぜったい。) (Instrumental) | |
| 4. | Precious wing (Instrumental) | |
| 22/05/1998 | Birth | |
|
1. | Birth |
| 2. | Himawari | |
| 3. | Birth (Instrumental) | |
| 4. | Himawari (Instrumental) | |
| 07/08/1998 | AKA | |
|
1. | AKA |
| 2. | Koishimasho Nebarimasho | |
| 3. | AKA (Instrumental) | |
| 4. | Koishimasho Nebarimasho (Instrumental) | |
| 27/11/1998 | Never die | |
|
1. | Never die |
| 2. | Naritai | |
| 3. | Never die <OVA ED Style> | |
| 4. | Never die (Instrumental) | |
| 13/03/1999 | Key | |
|
1. | Key |
| 2. | Te no Hira no Kakera | |
| 3. | Key (Instrumental) | |
| 4. | Te no Hira no Kakera (Instrumental) | |
| 08/05/1999 | Tenshi no Kyuusoku (天使の休息) | |
|
1. | Tenshi no Kyuusoku |
| 2. | Rururu | |
| 3. | Tenshi no Kyuusoku (Instrumental) | |
| 4. | Rururu (Instrumental) | |
| 02/07/1999 | labyrinth | |
|
1. | labyrinth |
| 2. | Toki ni Ai wa | |
| 3. | labyrinth (Instrumental) | |
| 4. | Toki ni Ai wa (Instrumental) | |
| 26/11/1999 | Sore wa Totsuzen Yatte Kuru (それは突然やってくる) | |
|
1. | Sore wa Totsuzen Yatte Kuru |
| 2. | eternal promise [DECK ver.] | |
| 3. | Sore wa Totsuzen Yatte Kuru (Instrumental) | |
| 4. | eternal promise [DECK ver.] (Instrumental) | |
| -Special Tracks- | ||
| 5. | labyrinth ~Live~ | |
| 6. | Toki ni Ai wa [ITARU ver.] ~Live~ | |
| 13/12/1999 | only one, NO.1 | |
|
1. | only one, NO.1 |
| 2. | only one, NO.1 (Instrumental) | |
| 26/04/2000 | OVER THE END | |
|
1. | OVER THE END |
| 2. | Moon | |
| 3. | OVER THE END (instrumental) | |
| 4. | Moon (instrumental) | |
| 5. | OVER THE END (MOZAMBIQUE club mix) | |
| 21/07/2000 | TURNING POINT | |
|
1. | TURNING POINT |
| 2. | CHAOS | |
| 3. | TURNING POINT(instrumental) | |
| 4. | CHAOS(instrumental) | |
| 5. | CUTIE(Kenji Kitajima remix) (special track) | |
| 21/07/2000 | CUTIE | |
|
1. | CUTIE |
| 2. | CUTIE |
|
| 30/08/2000 | Just do it | |
|
1. | Just do it |
| 2. | Just do it [instrumental] | |
| 07/02/2001 | Sora ni Kakeru Hashi (空にかける橋) | |
|
1. | Sora ni Kakeru Hashi |
| 2. | I'd love you to touch me | |
| 3. | Sora ni Kakeru Hashi [instrumental] | |
| 4. | I'd love you to touch me [instrumental] | |
| 21/03/2001 | Megami ni Naritai ~for a yours~ | |
|
1. | Megami ni Naritai ~for a yours~ |
| 2. | Megami ni Naritai ~for a yours~ [instrumental] | |
| 3. | only one, No.1 [Live ver.] | |
| 24/04/2001 | Shuffle | |
|
1. | Shuffle |
| 2. | Ano Hi no Gogo | |
| 3. | Shuffle [instrumental] | |
| 4. | Ano Hi no Gogo [instrumental] | |
| 5. | Shuffle [D.V-mix] | |
| 25/07/2001 | DEPORTATION ~but, never too late~ | |
|
1. | DEPORTATION ~but, never too late~ |
| 2. | Jounetsu | |
| 3. | DEPORTATION ~but, never too late~ [instrumental] | |
| 4. | Jounetsu [instrumental] | |
| 5. | DEPORTATION ~but, never too late~ [A.C ver.] | |
| 22/08/2002 | HAPPY PLACE | |
|
1. | HAPPY PLACE |
| 2. | Iiwake | |
| 3. | DEVOTION from Live Devotion | |
| 27/11/2003 | SECOND IMPACT | |
|
1. | SECOND IMPACT |
| 2. | PURE | |
| 3. | MESSAGE | |
| 4. | SECOND IMPACT (Instrumental) | |
| 5. | PURE (Instrumental) | |
| 6. | MESSAGE (Instrumental) | |
| 08/12/2004 | Olive | |
|
1. | Olive |
| 2. | SNOWY | |
| 3. | Troubadour~Ginyuushijin~ | |
| 4. | Olive (Instrumental) | |
| 5. | SNOWY (Instrumental) | |
| 6. | Troubadour~Ginyuushijin~ (Instrumental) | |
| 11/05/2005 | TRUST | |
|
1. | TRUST |
| 2. | A confession of TOKIO | |
| 3. | TRUST (Instrumental) | |
| 4. | A confession of TOKIO (Instrumental) | |
| 25/01/2006 | mitsu | |
|
1. | mitsu |
| 2. | Paradise Lost | |
| 3. | Sora ni Kakeru Hashi ~Unplugged Version~ | |
| 4. | mitsu (Instrumental) | |
| 5. | Paradise Lost (Instrumental) | |
| 10/05/2006 | zero-G | |
|
1. | zero-G |
| 2. | Gift | |
| 3. | zero-G (Instrumental) | |
| 4. | Gift (Instrumental) | |
| 09/08/2006 | WILD SPACE | |
|
1. | WILD SPACE |
| 2. | Lunatic Summer | |
| 3. | WILD SPICE (Instrumental) | |
| 4. | Lunatic Summer (Instrumental) | |
| 26/01/2007 | Remote Viewing | |
|
1. | Remote Viewing |
| 2. | Haitoku no KISS ~Love of a fallen angel~ | |
| 3. | Remote Viewing (Instrumental) | |
| 4. | Haitoku no KISS ~Love of a fallen angel~ (Instrumental) | |
| 04/07/2007 | It's my life (CD+DVD) | |
|
1. | It's my life |
| 2. | -w- | |
| 3. | It's my life (Instrumental) | |
| 4. | -w- (Instrumental) | |
| DVD: | ||
| 1. | live footage from "Okui Masami Count Down Live 2006 - 2007" | |
| 25/07/2007 | RING (CD+DVD) | |
|
1. | RING |
| 2. | RING -Ballad Version- | |
| 3. | RING (Instrumental) | |
| 4. | RING -Ballad Version- (Instrumental) | |
| 21/11/2007 | INSANITY (CD+DVD) | |
|
1. | INSANITY |
| 2. | TOTAL ECLIPSE | |
| 3. | INSANITY (Instrumental) | |
| 4. | TOTAL ECLIPSE (Instrumental) | |
| 05/11/2008 | Melted Snow (CD+DVD) | |
|
1. | Melted Snow |
| 2. | Shape of myself | |
| 3. | Melted Snow (Instrumental) | |
| 4. | Shape of myself (Instrumental) | |
| 13/05/2009 | Starting Over (CD+DVD) | |
|
1. | Starting Over |
| 2. | Regret | |
| 3. | Starting Over (Instrumental) | |
| 4. | Regret (Instrumental) | |
| 21/08/2009 | Miracle Upper WL (CD+DVD) | |
|
1. | Miracle Upper WL feat. May'n |
| 2. | TO DIE FOR ××× | |
| 3. | Miracle Upper WL feat. May'n (Instrumental) | |
| 4. | TO DIE FOR ××× (Instrumental) | |
| 25/10/2009 | DreamParty Memorial CD Vol.5 Sparkling / No Dream no Life (CD+DVD) | |
|
1. | Sparkling |
| 2. | No dream, No life | |
| 3. | Sparkling (Instrumental) | |
| 4. | No dream, No life (Instrumental) | |
| 21/04/2010 | Renka Tairan (恋華大乱) (CD+DVD) | |
|
1. | Renka Tairan (恋華大乱) |
| 2. | Mitei no Tsuki (下弦の月) | |
| 3. | Renka Tairan (恋華大乱) (Instrumental) | |
| 4. | Mitei no Tsuki (下弦の月) (Instrumental) | |
| 08/08/2012 | Sora no Uta (ソラノウタ) (CD+DVD) | |
|
1. | Sora no Uta (ソラノウタ) |
| 2. | Aoi Namida (蒼い涙) | |
| 3. | Sora no Uta (ソラノウタ) (Instrumental) | |
| 4. | Aoi Namida (蒼い涙) (Instrumental) | |
| 25/02/2015 | Takarabako ―TREASURE BOX― (宝箱―TREASURE BOX―) / Platinum Jet (プラチナジェット) (CD) | |
|
1. | Takarabako ―TREASURE BOX― (宝箱―TREASURE BOX―) / Okui Masami |
| 2. | Platinum Jet (プラチナジェット) / Donut◎Quintet | |
| 3. | Takarabako ―TREASURE BOX― (宝箱―TREASURE BOX―) (Instrumental) | |
| 4. | Platinum Jet (プラチナジェット) (Instrumental) | |
| 25/02/2015 | Takarabako ―TREASURE BOX― (宝箱―TREASURE BOX―) / Platinum Jet (プラチナジェット) (CD+DVD) | |
|
1. | Takarabako ―TREASURE BOX― (宝箱―TREASURE BOX―) / Okui Masami |
| 2. | Platinum Jet (プラチナジェット) / Donut◎Quintet | |
| 3. | Takarabako ―TREASURE BOX― (宝箱―TREASURE BOX―) (Instrumental) | |
| 4. | Platinum Jet (プラチナジェット) (Instrumental) | |
| DVD: | ||
| 1. | Non-telop Opening | |
| 2. | Non-telop Ending | |
| 30/08/2017 | Innocent Bubble (イノセントバブル) (CD+DVD) | |
|
1. | Innocent Bubble (イノセントバブル) |
| 2. | Ano Goro no Boku to Ima no Boku (あの頃の僕と今の僕) | |
| 3. | Innocent Bubble (イノセントバブル) (Instrumental) | |
| 4. | Ano Goro no Boku to Ima no Boku (あの頃の僕と今の僕) (Instrumental) | |
| 22/11/2017 | Sophia (ソフィア) (CD+DVD) | |
|
1. | Sophia (ソフィア) |
| 2. | THE COUNTDOWN | |
| 3. | Sophia (ソフィア) (Instrumental) | |
| 4. | THE COUNTDOWN (Instrumental) | |
| 22/12/2019 | Blood Blade -Hikari to Yami no Kanata ni- (Blood Blade -光と闇の彼方に-) (Digital) | |
|
1. | Blood Blade -Hikari to Yami no Kanata ni- (Blood Blade -光と闇の彼方に-) |
| 04/07/2022 | Aimaisa, Koufukuron (曖昧さ、幸福論) (Digital) | |
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1. | Aimaisa, Koufukuron (曖昧さ、幸福論) |
| 08/03/2023 | ONENESS (Digital Self Cover) | |
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1. | ONENESS |
| 08/03/2023 | Get along (Digital Self Cover) | |
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1. | Get along |
| 28/08/2023 | Prayer (Digital) | |
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1. | Prayer |
| 29/11/2023 | God knows... - from CrosSing (Digital) | |
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1. | God knows... - from CrosSing |
| 2. | God knows... - from CrosSing (Instrumental) | |
| 03/04/2025 | Baby Baby Baby (Digital) | |
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1. | Baby Baby Baby |
| 2. | Baby Baby Baby (Instrumental) | |
| 23/04/2025 | Baby Baby Baby (CD Regular Edition) | |
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1. | Baby Baby Baby with Bonjour Suzuki |
| 2. | D ~Rasen~ (D~螺旋~) | |
| 3. | Baby Baby Baby (Instrumental) | |
| 4. | D ~Rasen~ (D~螺旋~) (Instrumental) | |
| 23/04/2025 | Baby Baby Baby (8cmCD Limited Edition) | |
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1. | Baby Baby Baby with Bonjour Suzuki |
| 2. | D ~Rasen~ (D~螺旋~) | |
| 3. | Baby Baby Baby (Instrumental) | |
| 4. | D ~Rasen~ (D~螺旋~) (Instrumental) | |
| 17/04/1996 | Senobi wo Shite Follow You (背伸びをした Follow You) (Iwao Junko and Okui Masami) | |
|
1. | Senobi wo Shite Follow You (背伸びをした Follow You) / Iwao Junko |
| 2. | Mata Ashita (またあした) / Okui Masami | |
| 3. | Senobi wo Shite Follow You (背伸びをした Follow You) (Instrumental) | |
| 4. | Mata Ashita (またあした) (Instrumental) | |
| 24/6/2005 | ONENESS (Digital) | |
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1. | ONENESS / Rina Aiuchi, Masami Okui, Yoko Ishida, Tomoe Ohmi, Hironobu Kageyama, can/goo, Mikuni Shimokawa, JAM Project, Rica Matsumoto, Masaaki Endoh, Hiroshi Kitadani, Yoshiki Fukuyama, Tatsuhisa Suzuki, Naozumi Takahashi, unicorn table, Chihiro Yonekura, Minami Kuribayashi & Nana Mizuki |
| 27/05/2009 | SUMMER OF LOVE feat. Masami Okui (奥井雅美) - My resolution ~Ano Tokei no Shita de~ (My resolution ~あの時計の下で~) | |
|
1. | My resolution ~Ano Tokei no Shita de~ (My resolution ~あの時計の下で~) |
| 2. | popcorn☆magic | |
| 3. | My resolution ~Ano Tokei no Shita de~ (My resolution ~あの時計の下で~) (Instrumental) | |
| 4. | popcorn☆magic (Instrumental) | |
| 17/12/2010 | Masami Okui, Haruka Shimotsuki - Good-bye crisis (Digital single) | |
|
1. | Good-bye crisis / Masami Okui |
| 2. | unnamed place / Haruka Shimotsuki | |
| 3. | Good-bye crisis (instrumental) | |
| 4. | unnamed place (instrumental) | |
| 27/05/2019 | ANIMELO SUMMER LIVE 2019 THEME SONG CROSSING STORIES | |
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1. | CROSSING STORIES / Asaka, Kaori Ishihara, Masayoshi Oishi, ZAQ, Konomi Suzuki, Sphere, TRUE, towana (fhána), Mikiha (Spira Spica), Suzuko Mimori |
| 2. | ONENESS (15th Stories) / Masami Okui, Minami, ZAQ, TRUE, Suzuko Mimori, Masayoshi Oishi, Konomi Suzuki, Shugo Nakamura | |
| 30/06/2021 | One My Little Star (Digital) | |
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1. | One My Little Star / rioko (CV. Masami Okui), mino (CV. karin) |
| 01/09/2025 | Butter-Fly (Digital From THE FIRST TAKE) | |
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1. | Butter-Fly |
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