77		Aya Hirano (J-pop, Pop Rock, Soundtrack, 2006-2013)
75		Lia (J-pop, Ballad, Trance, 1988-2015)
67		Dream (J-pop, Synth-pop, Hi NRG, 2000-2010)
67		Keitaro Takanami (J-pop, Soundtrack, Pop Rock, 1993-2015)
66		AAA (J-pop, Synth-pop, Pop Rock, 2005-2014)
66		Yasuyuki Okamura (J-pop, Electro, Synth-pop, 1987-2014)
65		Hitomi Shimatani (J-pop, Synth-pop, RnB/Swing, 1999-2014)
64		UA (J-pop, Downtempo, Soul-Jazz, 1995-2016)
64		Mai Kuraki (J-pop, Synth-pop, Ballad, 1999-2014)
64		ACO (J-pop, Downtempo, Trip Hop, 1998-2015)
64		MEG (J-pop, Electro, House, 2001-2012)
63		Megumi Hayashibara (J-pop, UK Garage, Latin, 1991-2003)
63		Capsule (J-pop, Electro, House, 2001-2015)
63		Clammbon (J-pop, Downtempo, Post Rock, 1999-2015)
62		Takako Uehara (J-pop, Ballad, Electro, 1999-2004)
62		Ken Hirai (J-pop, Ballad, Soul, 1995-2014)
62		Maaya Sakamoto (J-pop, Pop Rock, Ballad, 1997-2015)
62		Move (J-pop, Techno, Synth-pop, 1997-2011)
62		Chisato Moritaka (J-pop, Synth-pop, Euro-Disco, 1987-2009)
62		Chara (J-pop, Pop Rock, Synth-pop, 1991-2009)
62		Morning Musume (J-pop, Vocal, Pop Rock, 1998-2015)
62		Hitomitoi (J-pop, Indie Pop, Synth-pop, 2005-2015)
62		Puffy (J-pop, Pop Rock, Synth-pop, 1996-2013)
62		Exile (J-pop, RnB/Swing, Disco, 2001-2015)
61		Tommy february6 (J-pop, Synth-pop, New Wave, 2001-2013)
61		Dreams Come True (J-pop, Fusion, Swing, 1989-2010)
61		Original Love (J-pop, Pop Rock, Future Jazz, 1991-2011)
61		EeL (J-pop, Electro, Synth-pop, 1999-2011)
61		Ali Project (J-pop, Soundtrack, Electro, 1988-2009)
61		Speed (J-pop, Ballad, Synth-pop, 1996-2012)
61		Kahoru Kohiruimaki (J-pop, Synth-pop, Alternative Rock, 1985-2011)
61		Orange Range (J-pop, Alternative Rock, Techno, 2002-2007)
60		Key (J-pop, Soundtrack, Modern Classical, 1999-2011)
60		Smap (J-pop, Karaoke, Breakbeat, 1994-2008)
60		Ryuichi Kawamura (J-pop, Ballad, Pop Rock, 1997-2013)
60		Beni Arashiro (J-pop, RnB/Swing, Ballad, 2004-2013)
60		Yuki (J-pop, House, Synth-pop, 2002-2016)
60		Day After Tomorrow (J-pop, Pop Rock, Soft Rock, 2002-2005)
60		Tomomi Kahala (J-pop, Synth-pop, Ballad, 1996-2014)
60		MAX (J-pop, Synth-pop, Hi NRG, 1995-2015)
60		Misia (J-pop, Ballad, House, 1998-2016)
59		Maki Goto (J-pop, Synth-pop, 2001-2011)
59		Mika Nakashima (J-pop, Downtempo, Smooth Jazz, 2001-2008)
59		Halcali (J-pop, Pop Rap, Electro, 2003-2010)
59		Negicco (J-pop, Disco, Synth-pop, 2003-2015)
59		My Little Lover (J-pop, Pop Rock, Synth-pop, 1995-2008)
59		Mami Kawada (J-pop, Synth-pop, Pop Rock, 2005-2015)
59		Bonnie Pink (J-pop, Indie Pop, Pop Rock, 1995-2012)
59		Sound Horizon (J-pop, Prog Rock, Symphonic Rock, 2001-2015)
59		Nana Mizuki (J-pop, Synth-pop, Disco, 2000-2015)
59		Quruli (J-pop, Indie Rock, Synth-pop, 1997-2009)
59		Alan (J-pop, Ballad, Synth-pop, 2005-2014)
59		Girl Next Door (J-pop, Synth-pop, Ballad, 2008-2013)
59		Nami Tamaki (J-pop, Synth-pop, Ballad, 2003-2010)
59		Nokko (J-pop, Synth-pop, Progressive House, 1992-2010)
59		Aya Matsuura (J-pop, Techno, 2002-2004)
58		Miliyah Kato (J-pop, RnB/Swing, Ballad, 2004-2016)
58		MOSAIC.WAV (J-pop, Europop, Synth-pop, 2004-2012)
58		Double (J-pop, RnB/Swing, Rhythm & Blues, 1999-2011)
58		Namie Amuro (J-pop, Synth-pop, Ballad, 1994-2016)
58		AKB48 (J-pop, Karaoke, Vocal, 2006-2015)
58		Moumoon (J-pop, Synth-pop, Soft Rock, 2007-2015)
58		Eriko Imai (J-pop, Pop Rock, Rhythm & Blues, 2000-2013)
58		Sotaisei Riron (J-pop, Experimental, 2008-2016)
58		SE7EN (J-pop, Ballad, Electro, 2003-2013)
58		fripSide (J-pop, Vocal, Electro House, 2009-2016)
58		Crystal Kay (J-pop, RnB/Swing, Ballad, 1999-2010)
57		Tohoshinki (J-pop, Synth-pop, Ballad, 2004-2015)
57		m-flo (J-pop, House, Breakbeat, 1998-2007)
57		dip in the pool (J-pop, New Wave, Ambient, 1985-2015)
57		Tokyo Girls' Style (J-pop, Synth-pop, 2010-2013)
57		Sakura Gakuin (J-pop, 2010-2015)
57		Kyoko Koizumi (J-pop, Acid House, House, 1982-2001)
57		Kalafina (J-pop, Modern, Modern Classical, 2008-2015)
57		SCANDAL (J-pop, Garage Rock, Alternative Rock, 2008-2016)
56		Chage & Aska (J-pop, Pop Rock, Vocal, 1981-2001)
56		You'll Melt More! (J-pop, New Wave, Krautrock, 2013-2016)
56		Supercell (J-pop, 2009-2013)
56		Orange Caramel (J-pop, Dance-pop, Synth-pop, 2012-2014)
56		Kana Nishino (J-pop, Ballad, Vocal, 2009-2016)
56		Boa (J-pop, Synth-pop, Ballad, 1975-2015)
55		Shiina Ringo (J-pop, Alternative Rock, Indie Rock, 1998-2015)
55		Aiko Kayō (J-pop, Euro House, 2003-2007)
54		Dempagumi.inc (J-pop, 2010-2015)
54		Every Little Thing (J-pop, Pop Rock, House, 1996-2015)
54		High And Mighty Color (J-pop, Pop Rock, Hard Rock, 2005-2010)
54		Minmi (J-pop, Hip-House, Pop Rap, 2003-2010)
54		Utada Hikaru (J-pop, Synth-pop, RnB/Swing, 1998-2016)
54		School Food Punishment (J-pop, Pop Rock, Alternative Rock, 2007-2011)
53		Etsuko Yakushimaru (J-pop, Experimental, IDM, 2009-2014)
53		Yazima Beauty Salon (Synth-pop, J-pop, 2008-2010)
53		Hatsune (J-pop, Synth-pop, 2009-2011)
53		Miki Nakatani (J-pop, Synth-pop, Dub Techno, 1996-2001)
53		TWO-MIX (J-pop, Techno, Euro House, 1995-2001)
53		Perfume (Synth-pop, J-pop, Dance-pop, 2003-2016)
53		Shoji Meguro (Soundtrack, Techno, Lounge, 2005-2015)
53		Kanon Wakeshima (J-pop, Neo-Classical, Baroque, 2008-2015)
53		Joe Inoue (J-pop, Death Metal, Ballad, 2007-2010)
52		TM Network (J-pop, Pop Rock, Synth-pop, 1984-2014)
52		Hayami Kishimoto (J-pop, House, Synth-pop, 2003-2006)
52		Yoko Kanno (Soundtrack, Modern Classical, J-pop, 1994-2008)
52		Akiko Yano (J-pop, Synth-pop, Vocal, 1976-2014)
52		melody. (J-pop, Progressive House, 2003-2007)
52		m.c.A·T (J-pop, Pop Rap, Pop Rock, 1993-2007)
52		Kishidan (J-pop, Synth-pop, Pop Rock, 2002-2011)
52		Egoist (J-pop, Ballad, 2011-2015)
51		Ho-Kago Tea Time (J-pop, Pop Rock, Electro House, 2009-2016)
51		Genki Rockets (J-pop, House, Trance, 2007-2016)
51		Chocolat (J-pop, Dance-pop, 1997-2001)

Notes: Music similar to Kotoko, Music like Kotoko, Pop, Electronic, Stage, Screen, Rock, J-pop, Soundtrack, Theme, Techno, Trance, Vocal, House, Synth-pop, Karaoke, Hard Rock, Artists, Bands, Songs, Audio, Records, Albums, Singles, Releases, Music Similarities