恋ひ恋ふ縁
Famishin, KOTOKO
INTERNET OVERDOSE
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
INTERNET YAMERO
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
jihad
KOTOKO
電波的妄想美少女Q (feat. KOTOKO)
MARON, KOTOKO
→unfinished→
KOTOKO
星に一番近い場所 (feat. 鏡音レン&鏡音リン)
TOKOTOKO（西沢さんP）, 鏡音レン, 鏡音リン
Face of Fact
KOTOKO
real-Reality
KOTOKO
Re-sublimity
KOTOKO
Shooting Star
KOTOKO
TRUE-BLUE
KOTOKO
agony
KOTOKO
さくらんぼキッス～爆発だも～ん～
KOTOKO
七転八起☆至上主義!
KOTOKO
秋爽
KOTOKO
Sociometry
KOTOKO
Loop-the-Loop
KOTOKO
Light My Fire
KOTOKO
INTERNET OVERDOSE (feat. KOTOKO)
NEEDY GIRL OVERDOSE, Aiobahn, KOTOKO
→unfinished→ -Album ver.-
KOTOKO
PLASMIC FIRE
KOTOKO, ALTIMA
Re-sublimity
KOTOKO
I-DOLL~Song for eternity~
KOTOKO
ハヤテのごとく!
KOTOKO
Face of Fact-RESOLUTION ver.-
KOTOKO
UZU-MAKI
KOTOKO
Kotoko (Speed Up)
Mizzy DeBoy
KOTOKO
IBUKKI
Kothao
Arundhuti Home Chowdhury