Diamond Wave (Jun 21, 2006)	1. Diamond Wave (theme song of Nihon TV's Sports Urugusu) 2. Safest Place 3. Diamond Wave ~grand bleu mix~
Best of Hero (release date: Feb 8, 2006)	1. Best of Hero (theme song of the TBS TV drama "Gachibaka") 2. Cuz you'll know that you're right 3. Best of Hero ~Instrumental~
Growing of my heart (release date: Nov 9, 2005)	1. Growing of my heart (The opening song of the TV animation series "Detective Conan") 2. Seven Nights 3. Winter *Swear
P.S MY SUNSHINE ,br> (release date: Jun 1, 2005)	1. P.S MY SUNSHINE (theme song of the Fuji TV spring season's drama series, "Mezamashi Doyoubi") 2. Tell me your way 3. P.S MY SUNSHINE ~Day Track Version~
Dancing (release date: Mar 23, 2005)	1. Dancing 2. Through the river 3. You look at me one
Love, needing (release date: Jan 26, 2005)	1. Love, needing 2. Moon serenade, Moonlight 3. Ashita e Kakeru Hashi ~ballad ver.~
Ashita e Kakeru Hashi (release date: May 19, 2004)	1. Ashita e Kakeru Hashi (the theme song of the NHK TV drama series "Dream? Kyuju Nichi De Ichioku En?) 2. Lover Boy (the theme song of KTV's professional baseball 2004) 3. Ai o Motto 4. Ashita e Kakeru Hashi ~Instrumental~
Kaze no lalala (release date: May 28, 2003)	1. Kaze no lalala (The opening song of the TV animation series "Detective Conan") 2. Gonna keep on tryin' 3. Kaze no lalala -TV on air version- 4. Kaze no lalala -Feel the wind mix- 5. Kaze no lalala -Instrumental-
Kiss (release date: Apr 30, 2003)	1. Kiss 2. You are not the only one 3. Kiss -Instrumental-
Time after time ~hana mau machi de~ (release date: Mar 5, 2003)	1. Time after Time ~hana mau machi de~ (theme song to the animated motion picture "Detective Conan: Meigu no Jujiro") 2. Natural 3. Time after Time ~hana mau machi de~ -Instrumental-
Make my day (release date: Dec 4, 2002)	1. Make my day (the theme song of Fiji TV show "Kandou Factory Sporuto") 2. I don't wanna lose you 3. Make my day ~M-oZ mix~ 4. Make my day -Instrumental-
Like a Star in the Night (release date: Sept 4, 2002)	1. Like a star in the night (theme song of Japan broadcast version of "Dark Angel") 2. Give me one more chance 3. Like a star in the night ~instrumental~ 4. Give me one more chance ~instrumental~
Feel fine! (release date: Apr 24, 2002)	1. Feel fine! (the Seabreeze commerical song: the commercial starring Mai) 2. Rescue Me 3. Mai-K Dub Edition ~K.F.A.Discotheque Master Mix~ 4. Feel fine! ~Instrumental~
Winter Bells (release date: Apr 17, 2002)	1. Winter Bells (The opening song of the TV animation series "Detective Conan" from Nov 26, 2001) 2. Thankful 3. always -Gomi's Lair Club Mix-(Radio Edit) 4. Winter Bells ~Instrumental~
Can't Forget You Love (release date: Aug 29, 2001)	1. Can't forget your love (the song for Asahi TV drama "Ikiru tame no jounetsu toshite no satsujin) 2. PERFECT CRIME -Single Edit- (new arrangement of the opening theme song for Asahi TV drama "Ikiru tame no jounetsu toshite no satsujin) 3. PERFECT CRIME ~DJ ME-YA URBAN BEAT BOX REMIX~ 4. Can't forget your love -Instrumental- 5. PERFECT CRIME -Single Edit- -Instrumental-
Always (release date: June 6, 2001)	1. Always (theme song for the Detective Conan movie "Tengoku e no Countdown" & theme song for the TV animation series "Detective Conan" on Nippon TV Network from May 14, 2001) 2. All Night 3. Stand Up ~Gomi's Disco 2001 Mix~ (Radio Edit) 4. always ~Instrumental~
Stand Up (release date: Apr 18, 2001)	1. Stand Up 2. Double Rainbow 3. YES or NO ~TRANCE Continental Remix~
Tsumetai umi/Start in my life (release date: Feb 7, 2001)	1. Tsumetai umi 2. Start in my life 3. NEVER GONNA GIVE YOU UP ~Never Never Land mix one~ 4. Tsumetai umi ~Instrumental~ 5. Start in my life ~Instrumental~
Reach for the Sky (release date: Nov 8, 2000)	1. Reach for the sky (theme song of NHK TV series "Audrey") 2. What I feel 3. Reach for the sky -GOMI REMIX ~Radio Edit~- 4. Reach for the sky -KEN ISHII REMIX- 5. Reach for the sky -DJ HIYOCO REMIX- 6. Reach for the sky -Instrumental-
Simply Wonderful (release date: Sep 27, 2000)	1. Simply Wonderful ~Club Edit~ 2. Simply Wonderful ~Radio Edit~ 3. think about 4. Baby I Like ~Turn Me On Mix~ 5. Simply Wonderful ~Club Edit~ -Instrumental- 6. Simply Wonderful ~Radio Edit~ -Instrumental-
Never Gonna Give You Up (release date: Jun 7, 2000)	1. NEVER GONNA GIVE YOU UP 2. Trying To Find My Way 3. NEVER GONNA GIVE YOU UP |It's On Tonight Remix|(Remixed by ME-YA) 4. NEVER GONNA GIVE YOU UP -Instrumental-
Secret of My Heart (release date: Apr 26, 2000)	1. Secret of my heart (the ending song for TV animation series "Detective Conan") 2. This is your life 3. Secret of my heart ~runnin' around at the "Village" Mix~ 4. Secret of my heart -Instrumental-
Stay by My Side (release date: Mar 15, 2000)	1. Stay by my side 2. Just Like You Smile Baby 3. Love, Day After Tomorrow ~Day Tripper Drumn' Bass Mix~ 4. Stay by my side -Instrumental-
Love Day After Tomorrow (release date: Dec 8, 1999)	1. Love, Day After Tomorrow 2. Everything's All Right 3. Everything's All Right (Remix) 4. Love, Day After Tomorrow -Instrumental-
Baby I Like (US Single) (release date: Oct 20 , 1999)	1. Baby I Like 2. Did I Hear You Say That You're In Love 3. 's All Right 4. Baby I Like ~Oral Exciter House Remix~