恋ひ恋ふ縁
Famishin, KOTOKO
Imaginary affair
KOTOKO
Face of Fact
KOTOKO
→unfinished→
KOTOKO
Re-sublimity
KOTOKO
INTERNET OVERDOSE
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
Shooting Star
KOTOKO
jihad
KOTOKO
夏草の線路 (Railway OP)
KOTOKO
同じ空の下で
KOTOKO
Light My Fire
KOTOKO
月虹蝶
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
PLASMIC FIRE
ALTIMA, KOTOKO
Reboot oN/↓0
KOTOKO
Presto
KOTOKO
agony
KOTOKO
Restoration ～沈黙の空～
KOTOKO
Sensitive
KOTOKO
LOVE A RIDDLE
KOTOKO
We Survive
KOTOKO
INTERNET YAMERO
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
WING OF ZERO
KOTOKO
faith～信じる力～
KOTOKO
Second Flight
KOTOKO, 佐藤ひろ美
One Small Step
KOTOKO
さくらんぼキッス~爆発だも~ん~
KOTOKO
Song For Eternity
KOTOKO
恋ひ恋ふ縁 (Game Size)
Famishin, KOTOKO
bumpy-Jumpy!
KOTOKO
電波的妄想美少女Q (feat. KOTOKO)
MARON, KOTOKO
Sign of Suspicion
KOTOKO
Sociometry
KOTOKO
七転八起☆至上主義!
KOTOKO
Restoration ~沈黙の空~
KOTOKO
real-Reality
KOTOKO
Restoration(Short Ver.)
KOTOKO
being
KOTOKO
Face Of Fact -Resolution Ver.-
KOTOKO
Wing my Way
KOTOKO
Double HarmoniZe Shock!!
詩月カオリ, KOTOKO
Orpheus ～君と奏でる明日へのうた～
Lia, 多田葵, 川田まみ, 島みやえい子, KOTOKO, 詩月カオリ, 茶太, Rita, LiSA
PHANTOM PAIN（feat.KOTOKO & ZYTOKINE）
KOTOKO, ZYTOKINE
TRUE-BLUE
KOTOKO
SWEET×SWEET
KOTOKO
桜ひとひら恋もよう
KOTOKO
Chercher ~シャルシェ~
KOTOKO
PLASMIC FIRE
KOTOKO, ALTIMA
Loop-the-Loop
KOTOKO
allegretto~そらときみ~
KOTOKO
jihad
KOTOKO
being
KOTOKO
アオナツライン
KOTOKO
Change My Style ~あなた好みの私に~
KOTOKO
Suppuration -core-
KOTOKO
Leaf ticket
KOTOKO
サクラノアメモエギノヨ
KOTOKO