Ken Hirai: Single

13/05/1995	Precious Junk
	1.	Precious Junk
	2.	Orgel (オルゴール)
	3.	Precious Junk (Instrumental)

21/06/1995	Katahouzutsu no Earphone (片方ずつのイヤフォン)
	1.	Katahouzutsu no Earphone (片方ずつのイヤフォン)
	2.	Kakurenbo (かくれんぼ)
	3.	Katahouzutsu no Earphone (片方ずつのイヤフォン) (Instrumental)

22/11/1995	Yokogao (横顔)
	1.	Yokogao (横顔)
	2.	Ahiru (アヒル)
	3.	Yokogao (横顔) (Original Karaoke)

21/08/1996	Doshaburi (ドシャブリ)
	1.	Doshaburi (ドシャブリ)
	2.	Go Ahead
	3.	Doshaburi (ドシャブリ) (Original Karaoke)

01/11/1996	Stay With Me
	1.	Stay With Me
	2.	Sweet Room (スウィートルーム)
	3.	Stay With Me (Instrumental)

01/11/1996	Stay With Me (Reissue)
	1.	Stay With Me
	2.	Sweet Room (スウィートルーム)
	3.	Stay With Me (Instrumental)

21/07/1997	HEAT UP
	1.	HEAT UP
	2.	Catch Ball (キャッチボール)
	3.	HEAT UP (Instrumental)

30/05/1998	Love Love Love
	1.	Love Love Love
	2.	Tsuyoku Naritai (強くなりたい)

19/01/2000	Rakuen (楽園)
	1.	Rakuen (楽園)
	2.	Affair
	3.	What's Goin' On?
	4.	Rakuen (楽園) (Birthday Mix)

19/01/2000	Rakuen (楽園) (Reissue)
	1.	Rakuen (楽園)
	2.	Affair
	3.	What's Goin' On?
	4.	Rakuen (楽園) (Birthday Mix)

10/05/2000	why
	1.	why
	2.	wonderful world
	3.	why (CASSETTE VISION remix)
	4.	wonderful world (KREVA remix feat. KREVA from KICK THE CAN CREW)
	5.	why (Instrumental)

01/10/2000	Precious Junk (Reissue)
	1.	Precious Junk
	2.	Orgel (オルゴール)
	3.	Precious Junk (Instrumental)

01/10/2000	Katahouzutsu no Earphone (片方ずつのイヤフォン) (Reissue)
	1.	Katahouzutsu no Earphone (片方ずつのイヤフォン)
	2.	Kakurenbo (かくれんぼ)
	3.	Katahouzutsu no Earphone (片方ずつのイヤフォン) (Instrumental)

01/10/2000	Yokogao (横顔) (Reissue)
	1.	Yokogao (横顔)
	2.	Ahiru (アヒル)
	3.	Yokogao (横顔) (Original Karaoke)

01/10/2000	Doshaburi (ドシャブリ) (Reissue)
	1.	Doshaburi (ドシャブリ)
	2.	Go Ahead
	3.	Doshaburi (ドシャブリ) (Original Karaoke)

01/10/2000	HEAT UP (Reissue)
	1.	HEAT UP
	2.	Catch Ball (キャッチボール)
	3.	HEAT UP (Instrumental)

01/10/2000	Love Love Love (Reissue)
	1.	Love Love Love
	2.	Tsuyoku Naritai (強くなりたい)

01/10/2000	why (Reissue)
	1.	why
	2.	wonderful world
	3.	why (CASSETTE VISION remix)
	4.	wonderful world (KREVA remix feat. KREVA from KICK THE CAN CREW)
	5.	why (Instrumental)

18/10/2000	LOVE OR LUST
	1.	LOVE OR LUST
	2.	TABOO
	3.	LOVE OR LUST (V.I.P. remix)
	4.	TABOO (a tip of M-FLO remix)
	5.	LOVE OR LUST (Instrumental)

18/10/2000	LOVE OR LUST (Vinyl)
	1.	LOVE OR LUST
	2.	TABOO
	3.	LOVE OR LUST (V.I.P. remix)
	4.	TABOO (a tip of M-FLO remix)
	5.	LOVE OR LUST (Instrumental)

06/12/2000	even if
	1.	even if
	2.	GREEN CHRISTMAS

25/02/2001	Miracles
	1.	Miracles
	2.	TUG OF WAR
	3.	Miracles -K.H.'s Jazz (featuring TOKU)-
	4.	TUG OF WAR -United Future Organization mix-
	5.	Miracles (Instrumental)

16/05/2001	KISS OF LIFE
	1.	KISS OF LIFE
	2.	CAT
	3.	Miracles (SILENT POETS remix)
	4.	KISS OF LIFE (Instrumental)

30/01/2002	Missin' you ～It will break my heart～
	1.	Missin' you ～It will break my heart～
	2.	It will break my heart ～English version～
	3.	Missin' you ～It will break my heart～ (Instrumental)
	4.	When Can I See You
	5.	KISS OF LIFE (S.O.U.L. remix ＝Sound Of Urban London＝)

22/05/2002	Strawberry Sex
	1.	Strawberry Sex
	2.	ex-girlfriend
	3.	Missin' you ～It will break my heart～ (remix ascended)
	4.	Strawberry Sex (Instrumental)

28/08/2002	Ooki na Furudokei (大きな古時計)
	1.	Ooki na Furudokei (大きな古時計)
	2.	Grandfather's clock
	3.	Ooki na Furudokei (大きな古時計) (less vocal)
	4.	PAUL

07/11/2002	Ring
	1.	Ring
	2.	somebody's girl
	3.	Strawberry Sex ～Sweet Mix～
	4.	Ring (Instrumental)

08/05/2003	LIFE is... ～another story～
	1.	LIFE is... ～another story～
	2.	Mabataki (まばたき)
	3.	Come Back ～FILUR Deep Down & Low Remix～
	4.	LIFE is... ～another story～ (Instrumental)

30/07/2003	style
	1.	style
	2.	signal
	3.	You Are The Sunshine Of My Life
	4.	style (Instrumental)

28/04/2004	Hitomi wo Tojite (瞳をとじて)
	1.	Hitomi wo Tojite (瞳をとじて)
	2.	DESPERADO
	3.	Hitomi wo Tojite (瞳をとじて) (Instrumental)

19/05/2004	Kimi wa Tomodachi (キミはともだち)
	1.	Kimi wa Tomodachi (キミはともだち)
	2.	jealousy
	3.	style (D.O.I. re-M.I.X.)
	4.	Kimi wa Tomodachi (キミはともだち) (Instrumental)

06/10/2004	Omoi ga Kasanaru Sono Mae ni... (思いがかさなるその前に・・・)
	1.	Omoi ga Kasanaru Sono Mae ni... (思いがかさなるその前に・・・)
	2.	Kimi wa Tomodachi (キミはともだち) (Soul Source Production Mix)
	3.	Omoi ga Kasanaru Sono Mae ni... (思いがかさなるその前に・・・) (Instrumental)

26/10/2005	POP STAR
	1.	POP STAR
	2.	Tameiki Kippu (ため息キップ)
	3.	POP STAR (Instrumental)

14/06/2006	Bye My Melody (バイマイメロディー)
	1.	Bye My Melody (バイマイメロディー)
	2.	hug
	3.	Bye My Melody (バイマイメロディー) (Instrumental)

17/01/2007	Aika (Elegy) (哀歌（エレジー）)
	1.	Aika (Elegy) (哀歌（エレジー）)
	2.	Kiss
	3.	POP STAR (winter lover version)
	4.	Aika (Elegy) (哀歌（エレジー）) (Instrumental)

28/02/2007	Kimi no Suki na Toko (君の好きなとこ)
	1.	Kimi no Suki na Toko (君の好きなとこ)
	2.	Utsukushii Hito (美しい人)
	3.	By My Melody (HALFBY's music for momo REMIX)
	4.	Kimi no Suki na Toko (君の好きなとこ) (Instrumenta)

12/09/2007	fake star
	1.	fake star
	2.	fake star ~Ken's swingin' jazz~
	3.	POP STAR×fake star (MASH UP version)
	4.	fake star (instrumental)

20/02/2008	Canvas (キャンバス) / Kimi wa su-te-ki ♡ (君はス・テ・キ♡)
	1.	Canvas (キャンバス)
	2.	Kimi wa su-te-ki ♡ (君はス・テ・キ♡)
	3.	Cry&Smile!!
	4.	Canvas (キャンバス) (piano version)
	5.	Canvas (キャンバス) (Instrumental)
	6.	Kimi wa su-te-ki ♡ (君はス・テ・キ♡) (Instrumental)

23/04/2008	Itsuka Hanareru Hi Ga Kitemo (いつか離れる日が来ても)
	1.	Itsuka Hanareru Hi Ga Kitemo (いつか離れる日が来ても)
	2.	Itsuka Hanareru Hi Ga Kitemo (いつか離れる日が来ても) (Instrumental)

23/09/2009	CANDY
	1.	CANDY
	2.	Furusa Saiida (フルサ・サイーダ)
	3.	Do it!!
	4.	CANDY (Instrumental)

21/10/2009	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする) (CD)
	1.	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする)
	2.	Hitori Janai (一人じゃない)
	3.	Catch you
	4.	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする) (Instrumental)

21/10/2009	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする) (CD+DVD)
	1.	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする)
	2.	Hitori Janai (一人じゃない)
	3.	Catch you
	4.	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする) (Instrumental)
	DVD:
	1.	Ken's Bar 10th Anniversary 'Ken's Bar II' Release Special Party! concert

13/10/2010	Sing Forever (CD)
	1.	Sing Forever
	2.	HOTEL VAMPIRE
	3.	Taiyou (太陽)
	4.	CANDY (Suspicious Remix)
	5.	Sing Forever (Instrumental)

13/10/2010	Sing Forever (CD+EXTRA)
	1.	Sing Forever
	2.	HOTEL VAMPIRE
	3.	Taiyou (太陽)
	4.	CANDY (Suspicious Remix)
	5.	Sing Forever (Instrumental)
	-	CD EXTRA:
	6.	15th anniversary footage

10/11/2010	Aishiteru (アイシテル)
	1.	Aishiteru (アイシテル)
	2.	air cameraman
	3.	Unchained Melody
	4.	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする) (rei harakami remix)
	5.	Aishiteru (アイシテル) (Instrumental)

10/11/2010	Aishiteru (アイシテル) (CD+EXTRA)
	1.	Aishiteru (アイシテル)
	2.	air cameraman
	3.	Unchained Melody
	4.	Boku wa Kimi ni Koi wo Suru (僕は君に恋をする) (rei harakami remix)
	5.	Aishiteru (アイシテル) (Instrumental)
	-	CD+EXTRA:
	6.	Ken Hirai 15th Anniversary Special!! Vol.3 Ken's Bar in N.Y. LIVE MOVIE、
	7.	Sing Forever (PV)

04/05/2011	Itoshiki Hibi yo (いとしき日々よ) (CD)
	1.	Itoshiki Hibi yo (いとしき日々よ)
	2.	Run to you
	3.	Itoshiki Hibi yo (いとしき日々よ) (Instrumental)

30/05/2012	Kokuhaku (告白) (CD)
	1.	Kokuhaku (告白)
	2.	Woman "W no Higeki" Yori (Woman "Wの悲劇"より)
	3.	Itoshiki Hibi yo ~the repose of souls~ (いとしき日々よ ~the repose of souls~)
	4.	Onegai Jury☆ -Hyadain no Riririri☆remix- (お願いジュリー☆ -ヒャダインのリリリリ☆リミックス-)
	5.	Kokuhaku (告白) (Instrumental)

30/05/2012	Kokuhaku (告白) (CD+DVD)
	1.	Kokuhaku (告白)
	2.	Woman "W no Higeki" Yori (Woman "Wの悲劇"より)
	3.	Kokuhaku (告白) (Instrumental)
	DVD:
	1.	KEN HIRAI TV

23/10/2013	Kikyougaoka (桔梗が丘) (Digital)
	1.	Kikyougaoka (桔梗が丘)

02/04/2014	Grotesque (グロテスク) feat. Amuro Namie (CD)
	1.	Grotesque (グロテスク) feat. Amuro Namie
	2.	Kikyougaoka (桔梗が丘)
	3.	Aozora Sanka (青空傘下)

02/04/2014	Grotesque (グロテスク) feat. Amuro Namie (CD+DVD A)
	1.	Grotesque (グロテスク) feat. Amuro Namie
	2.	Grotesque (グロテスク) feat. Amuro Namie (Instrumental)
	DVD:
	1.	Grotesque (グロテスク) feat. Amuro Namie (PV)

02/04/2014	Grotesque (グロテスク) feat. Amuro Namie (CD+DVD B)
	1.	Grotesque (グロテスク) feat. Amuro Namie
	2.	Kikyougaoka (桔梗が丘)
	DVD:
	1.	KEN HIRAI TV Vol.2

29/10/2014	Onnaji Samishisa (おんなじさみしさ) (Digital)
	1.	Onnaji Samishisa (おんなじさみしさ)

10/12/2014	Soredemo Shitai (ソレデモシタイ) / Onnaji Samishisa (おんなじさみしさ) (CD)
	1.	Soredemo Shitai (ソレデモシタイ)
	2.	Onnaji Samishisa (おんなじさみしさ)
	3.	Zankyou (残響)
	4.	Tomorrow
	5.	Soredemo Shitai (ソレデモシタイ) (Instrumental)
	6.	Onnaji Samishisa (おんなじさみしさ) (Instrumental)

10/12/2014	Soredemo Shitai (ソレデモシタイ) / Onnaji Samishisa (おんなじさみしさ) (CD+DVD)
	1.	Soredemo Shitai (ソレデモシタイ)
	2.	Onnaji Samishisa (おんなじさみしさ)
	DVD:
	1.	Soredemo Shitai (ソレデモシタイ) (PV)
	2.	Soredemo Shitai (ソレデモシタイ) (Making of)

19/07/2015	Kimi no Kodou wa Kimi ni Shika Narasenai (君の鼓動は君にしか鳴らせない) (Digital Short Size)
	1.	Kimi no Kodou wa Kimi ni Shika Narasenai (君の鼓動は君にしか鳴らせない) (drama ver.)

05/08/2015	Kimi no Kodou wa Kimi ni Shika Narasenai (君の鼓動は君にしか鳴らせない) (CD)
	1.	Kimi no Kodou wa Kimi ni Shika Narasenai (君の鼓動は君にしか鳴らせない)
	2.	Ai ni Kodaware (愛にこだわれ)
	3.	Soredemo Shitai (ソレデモシタイ) (tofubeats remix)
	4.	Ken Hirai 20th Anniversary Mega Mix vol.1

05/08/2015	Kimi no Kodou wa Kimi ni Shika Narasenai (君の鼓動は君にしか鳴らせない) (CD+DVD)
	1.	Kimi no Kodou wa Kimi ni Shika Narasenai (君の鼓動は君にしか鳴らせない)
	2.	Kimi no Kodou wa Kimi ni Shika Narasenai (君の鼓動は君にしか鳴らせない) (Instrumental)
	DVD:
	1.	KEN HIRAI TV Vol.3 "20th Anniversary Special Long Interview -Zenpen-

25/05/2016	Plus One / TIME (CD)
	1.	Plus One
	2.	TIME
	3.	Ken Hirai 20th Anniversary Mega Mix Vol.2
	4.	Plus One (Instrumental)
	5.	TIME (Instrumental)

25/05/2016	Plus One / TIME (CD+DVD)
	1.	Plus One
	2.	TIME
	DVD:
	1.	KEN HIRAI TV Vol.5 "Utabaka Ken Sanpo in Iseshima"

22/06/2016	Mahotte Itte Ii Kana? (魔法って言っていいかな？) (CD+DVD)
	1.	Mahotte Itte Ii Kana? (魔法って言っていいかな？)
	2.	I'myourdog
	3.	Plus One (KSUKE Remix)
	4.	Mahotte Itte Ii Kana? (魔法って言っていいかな？) (Instrumental)

01/03/2017	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ) (CD)
	1.	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ)
	2.	YUMING
	3.	Ho (ほっ)

01/03/2017	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ) (CD Anime Edition)
	1.	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ)
	2.	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ) (Instrumental)

01/03/2017	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ) (CD+DVD)
	1.	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ)
	2.	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ) (Instrumental)
	DVD:
	1.	KEN HIRAI TV　Vol.6 「KEN PLAY BACK 2016」

07/06/2017	Non Fiction (ノンフィクション) (CD Regular Edition)
	1.	Non Fiction (ノンフィクション)
	2.	Brand New Bike
	3.	Mahotte Itte Ii Kana? (魔法って言っていいかな？) (VaVa Remix)

07/06/2017	Non Fiction (ノンフィクション) (CD Limited Edition)
	1.	Non Fiction (ノンフィクション)
	2.	Non Fiction (ノンフィクション) (Instrumental)
	-	【Bonus Track】
	-	2017 Special Live!! 「THE STILL LIFE」 at Budokan　April 2017:
	3.	style
	4.	Soredemo Shitai (ソレデモシタイ)
	5.	Mahotte Itte Ii Kana? (魔法って言っていいかな？)
	6.	Unfit In love
	7.	Boku no Kokoro wo Tsukutte yo (僕の心をつくってよ)
	8.	Ho (ほっ)
	9.	Missionary
	10.	Kawaii no Youkai (かわいいの妖怪)
	11.	KISS OF LIFE
	12.	Non Fiction (ノンフィクション)

30/05/2018	Todokanai Kara (トドカナイカラ) (CD Limited Edition)
	1.	Todokanai Kara (トドカナイカラ)
	2.	Todokanai Kara (トドカナイカラ) (Instrumental)
	-	Ken’s Bar 20th Anniversary Bonus Track
	-	Ken's Bar 2017 X'mas Special!!
	3.	Mahotte Itte Ii Kana? (魔法って言っていいかな？)
	4.	Sentimental (センチメンタル)
	5.	Aika (Elegy) (哀歌（エレジー）)

30/05/2018	Shiranaindesho? (知らないんでしょ?) (CD Limited Edition)
	1.	Shiranaindesho? (知らないんでしょ?)
	2.	Shiranaindesho? (知らないんでしょ?) (Instrumental)
	-	Ken's Bar 20th Anniversary Bonus Track/Ken's Bar 2017 X'mas Special!!:
	3.	Kimi wa Tomodachi (キミはともだち)
	4.	Strawberry Sex
	5.	Non Fiction (ノンフィクション)

28/11/2018	half of me (CD)
	1.	half of me
	2.	HOLIC
	3.	even if (everlasting ver.)

28/11/2018	half of me (CD+DVD)
	1.	half of me
	2.	half of me (Instrumental)
	DVD:
	1.	half of me (MV)
	2.	half of me (Making of)

28/11/2018	half of me (Digital)
	1.	half of me
	2.	HOLIC
	3.	even if (everlasting ver.)
	4.	half of me (Instrumental)

29/05/2019	Ite mo Tatte mo (いてもたっても) (Digital)
	1.	Ite mo Tatte mo (いてもたっても)

04/12/2019	#302 (CD)
	1.	#302
	2.	Kawai Souda yo ne (かわいそうだよね)
	3.	Todokanai Kara (トドカナイカラ)（Kan Sano Remix）

04/12/2019	#302 (CD+DVD)
	1.	#302
	2.	#302 (Instrumental)
	DVD:
	1.	#302 (MV)
	2.	Ite mo Tatte mo (いてもたっても) (MV)

04/12/2019	#302 (Digital)
	1.	#302
	2.	Kawai Souda yo ne (かわいそうだよね)
	3.	Todokanai Kara (トドカナイカラ) (Kan Sano Remix)
	4.	#302 (Instrumental)

26/03/2020	Kaibutsu-san (怪物さん) feat.Aimyon (Digital)
	1.	Kaibutsu-san (怪物さん) feat.Aimyon

Altri:

06/02/2013	Toko Furuuchi - Sayonara Restaurant (さよならレストラン) feat. Ken Hirai (Digital)
	1.	Sayonara Restaurant (さよならレストラン) feat. Ken Hirai